I. OVERVIEW
This case involves a conspiracy to distribute heroin and an attempt to kill a potential *755 government witness. Sonnie Davis appeals the denial of a motion to suppress evidence supporting his conviction for possession with intent to distribute heroin in violation of 21 U.S.C. § 841(a)(1). He argues the evidence supporting the conviction should have been suppressed as the fruit of an unlawful search. Kevin Davis appeals his conviction for attempting to prevent a witness from testifying in a federal case in violation of 18 U.S.C. § 1512(a). He contends procedural errors and a lack of sufficient evidence against him provide bases for reversing his conviction. The United States cross-appeals Kevin Davis’ sentence arguing the district court failed to sentence him under the appropriate guideline. For the reasons set forth below, we affirm the district court with respect to the appeals of Sonnie and Kevin Davis, and reverse on the sentencing issue in favor of the United States.
II. FACTS AND PROCEDURE
In the Spring of 1987, Oakland Police Department narcotics officers began an investigation of Sonnie Davis. The investigation resulted in the issuance of a search warrant, authorizing the search of Sonnie Davis’ person and the person and home of Marilyn Morrison for heroin, paraphernalia used in the distribution of heroin, items that might show control of the premises, and other records or notebooks showing the sales of heroin. On March 30, 1988, before executing the warrant, the police went to the residence of Avis Andrews to follow up on a tip concerning possible drug activity. Upon arriving, they observed Sonnie Davis’ blue Mercedes-Benz parked nearby. Later that morning, the police went to Morrison’s home to execute the search warrant.
At a store near Morrison’s house they located and searched Sonnie Davis. The search produced keys (later determined to open Andrews’ apartment), a wallet with $1800 cash, and what appeared to the police to be a lock combination scribbled on a piece of paper. A search of Morrison’s house yielded over 281 grams of heroin, narcotics distribution paraphernalia, and evidence establishing that the residence belonged to Morrison. The police arrested Morrison and Sonnie Davis.
That same afternoon, the police returned to Andrews’ apartment where they had previously observed Sonnie’s car. Andrews was on probation and subject to a search condition permitting the warrantless search of her apartment. A search of the home uncovered heroin, rock cocaine and drug paraphernalia in plain view. After a general search of the apartment, the police opened a safe in a closet of the master bedroom using the combination seized from Sonnie Davis. The safe contained in excess of 100 grams of heroin.
After his arrest, Sonnie Davis decided to have Morrison killed to prevent her from testifying against him. While in custody, he contacted his nephew, Kevin Davis, to arrange the killing. On April 20, Kevin Davis drove to Morrison’s house with James Walker, one of Sonnie’s main heroin distributors, who testified that “Kevin was going to shoot the woman that night.” Kevin Davis did not kill Morrison that night because she had company. Four days later, Kevin Davis returned with Walker to Morrison’s house where he shot Morrison four times at point blank range. Morrison survived the attack.
On June 22, 1988, Sonnie and Kevin Davis were indicted in a four-count indictment with three other persons. Count One charged Sonnie Davis, Avis Andrews, Marilyn Morrison, and other persons unknown, with conspiracy to possess heroin with intent to distribute. 21 U.S.C. § 846. Counts Two and Three charged Sonnie Davis, Andrews, and Morrison with possessing heroin with intent to distribute. 21 U.S.C. § 841(a)(1). Count Four charged Sonnie Davis, Kevin Davis, and Walker with knowingly attempting to kill Morrison with the intent to prevent the communication to any law enforcement officer information relating to the narcotics offenses. 18 U.S.C. § 1512(a).
Prior to trial, Kevin Davis moved unsuccessfully to sever his trial from Sonnie Davis’. He did not renew the motion to sever during trial or at the close of evidence. The jury trial began on February 28, 1989. On six separate occasions during *756 the course of the trial, Kevin Davis moved for mistrial based on prosecutorial misconduct. The district court denied the motions for mistrial. On March 10, 1989, after seven days of testimony, the jury convicted Sonnie and Kevin Davis on all counts.
After the trial, Kevin Davis moved for a new trial or judgment of acquittal, challenging the sufficiency of the evidence. Kevin Davis also moved to join Sonnie Davis’ post-trial motion to dismiss the indictment on the ground that the government failed to properly designate the Special Assistant to the United States Attorney who obtained the indictment from the grand jury. The district court denied these motions.
During the sentencing hearings, the district court ruled that one of Kevin Davis’ prior convictions did not fall under the “career offender” provisions of the Sentencing Guidelines. Consequently, rather than sentence him to 210 months, the applicable sentence if “career offender” guideline applied, the district court sentenced him to 120 months. The government timely appealed Kevin Davis’ sentence on September 15, 1989.
III. SUPPRESSION OF HEROIN FOUND IN SAFE
A. Standard of Review
Sonnie Davis argues the heroin seized from the safe at Andrews’ apartment im-permissibly exceeded the scope of Andrews’ probation search condition. We must first determine whether Sonnie Davis has standing to assert a violation of the fourth amendment. We review “the question of whether a defendant has standing to assert a Fourth Amendment claim de novo, although we review the underlying facts for clear error.”
United States v. Iglesias,
B. Standing
The government contests the district court's finding that Sonnie Davis had a legitimate expectation of privacy in the place searched.
2
To contest the legality of a search under the fourth amendment, the defendant must demonstrate a legitimate expectation of privacy in the place or item searched by showing an actual subjective expectation of privacy which society is prepared to recognize.
Minnesota v. Olson,
495. U.S. -,
The Supreme Court has held an overnight guest has a reasonable expectation of privacy in a friend’s residence even though he has no legal interest in the premises and
*757
does not have legal authority to determine who may enter the household.
Olson,
495 U.S. -,
Sonnie Davis had a legitimate expectation of privacy in the place searched. He had a key to Andrews’ apartment, and was free to come and go as he pleased. He stored things there, and took the precaution of storing items in a locked safe to assure privacy. Moreover, he had previously lived in the apartment, and had independent access to the place searched. It is also significant that Sonnie Davis paid at least a portion of the rent for Andrews’ apartment. Having assumed an ongoing obligation to pay the rent, Sonnie Davis exercised partial or joint control over the premises.
See Johns,
C. Validity of Probation Search
The' district court concluded that the search of the safe was a reasonable exten
*758
sion of Andrews’ search condition, and was therefore lawful. It applied both California and federal standards governing probation searches.
See United States v. Solomon,
While the federal courts may consider state precedent for its persuasive value, the validity of a search conducted by state law enforcement officers is ultimately a question of federal law.
See United States v. George,
Under limited circumstances, law enforcement officers may search a probationer’s home without obtaining a warrant and without probable cause.
See Griffin v. Wisconsin,
We recognize that California cases draw a distinction between probationers and parolees in evaluating the permissible scope of a search.
See People v. Bravo,
Sonnie Davis contends the search, while initially justified as a valid probation search, 4 became improper when the police *759 exceeded the scope of the probationer’s search condition by searching the safe. 5 The police opened the safe with a lock combination seized from Sonnie Davis earlier in the day. Therefore, appellant argues, the police could not reasonably suspect the safe was owned, possessed, or controlled by the probationer. 6 As a result, appellant argues, the search of the safe was not within the scope of Andrews’ probation search condition and cannot be upheld as a valid warrantless search.
This argument overstates the significance of Sonnie Davis’ access to the safe. Although Sonnie Davis possessed keys to Andrews’ apartment and a combination to the safe, reasonable suspicion existed to believe the probationer shared ownership, possession, or control over the safe. The police spotted Sonnie Davis’ car in front of probationer’s apartment the day of Sonnie Davis’ arrest. They had received a tip that drug activity was occurring on the premises. Once inside the house, but prior to opening the safe, the police found contraband and paraphernalia in common areas of the apartment. The discovery of evidence of wrongdoing bolstered the officers’ suspicion that the probationer was involved -in a drug conspiracy with Sonnie Davis.
See Giannetta,
Sonnie Davis also argues that where there is a question of ownership of an item to be searched, law enforcement officers conducting a probation search must make a reasonable good faith effort to ascertain ownership in order to protect the privacy interests of both the owner and probationer in whose residence the item is located.
To date, no federal court has examined the issue of whether law enforcement officers conducting a probation search have a duty to inquire into the ownership, possession, or control of an item sought to be searched. California law is inconsistent on this issue. One line of cases imposes a duty to inquire when there is at best a fifty percent chance that the item sought to be searched belongs to the probationer or parolee.
See People v. Montoya,
The most recent decision,
People v. Boyd,
any suggestion that a parole search will automatically be invalidated simply because the officer fails to ask the nonparo-lee roommate whether the object about to be searched is his or her property. Such a rigid rule would unnecessarily bind the officer to the answer given, regardless of its veracity. The officer should not be bound by the reply in the face of overwhelming evidence of its falsity. Even if the nonparolee roommate’s claim of ownership sounds reasonable, reasonable suspicion may be predicated on the parolee’s possession or control of the object.
Boyd,
The
Boyd
decision, rejecting a duty to inquire rule, is the better view. Requiring the police to inquire into ownership, possession or control in all instances when ownership, custody, or control is not obviously and undeniably apparent, would force courts to undertake the difficult task of evaluating, in every case of doubt, the nature of the measures taken and the credibility of the responses given. Moreover, such a rule does not satisfactorily accommodate the situation here, where the non-probationer is not present to affirm or deny ownership. As the court noted in
Britton,
“[m]ost importantly there was someone in the house [in Montoya] other than the parolee whom the officers could question about the ownership of the items searched.”
Britton,
*761 IV. SUFFICIENCY OF THE EVIDENCE
A. Standard of Review
“In reviewing the sufficiency of the evidence, we determine whether any rational trier of fact could have found all the essential elements of the crime beyond a reasonable doubt. The test is whether the evidence and all reasonable inferences which may be drawn from it, when viewed in the light most favorable to the government, sustain the verdict.”
United States v. Terry,
B. Federal Nature of Offense
Kevin Davis was charged with obstructing or attempting to obstruct an official proceeding by shooting a known witness, in violation of 18 U.S.C. § 1512(a). He argues there was insufficient evidence to establish his awareness of the federal nature of the proceeding with which he interfered. The district court denied appellant’s motion for a new trial and judgment of acquittal, holding: “The evidence, considering all the inferences that can fairly be drawn from it, amply supports the finding that defendant shot Marilyn Morrison with the intent of preventing the communication to law enforcement officers of information concerning the commission of federal offenses.”
United States v. Davis,
Section 1512(f) of title 18 of the United States Code provides in relevant part:
In a prosecution for an offense under this section, no state of mind need be proved with respect to the circumstance—
(1) that the official proceeding before a judge, court, magistrate, grand jury, or government agency is before a judge or court of the United States, a United States magistrate, a bankruptcy judge, a Federal grand jury, or a Federal Government agency;....
18 U.S.C. § 1512(f). Under § 1512, the United States was not required to prove the defendant knew he was tampering with a federal proceeding.
United States v. Scaife,
V. MISTRIAL
A. Standard of Review
We review the decision of the district court to deny a mistrial motion for abuse of discretion.
United States v. Chan Yu-Chong,
B. Discussion
Kevin Davis asserts the district court abused its discretion by denying his motions for mistrial based on prosecutorial misconduct on six separate occasions. Ordinarily cautionary instructions are sufficient to cure the effects of improper comments.
United States v. Charmley,
In four of the six instances where a motion for mistrial was made, a witness had either exceeded the scope of a question or begun to encroach on inadmissible subjects. Only two of the motions arose directly from conduct by the prosecution. On both occasions Kevin Davis contends the questions were asked in attempt to improperly tie him to Sonnie Davis’ drug activities. In all six instances, the district court sustained a valid objection, struck objectionable testimony, admonished the witness, and/or gave a strong cautionary instruction.
Even had these measures been insufficient, the independent evidence of guilt overwhelmed the impact of the error. James Walker, a participant in the attack, testified that he saw Kevin Davis go to Morrison’s house with a gun and that he heard four shots. Kevin Davis came back to the car and according to Walker said “come on let’s go” and the two then proceeded to dispose of the gun. Marilyn Morrison, the victim, testified that Kevin Davis came to her door said, “This is from Sonnie,” and shot her four times at point blank range. Given the strength of the evidence against Kevin Davis and the measures taken by the district court to cure any prejudice caused by improper questions and testimony, we do not believe the district court abused its discretion in denying appellant’s motions for mistrial.
VI. SEVERANCE
A. Standard of Review
We review the district court’s decision to deny a motion to sever for abuse of discretion.
Marsh,
B. Discussion
Kevin Davis contends the district court abused its discretion when it denied his pre-trial motion to sever his trial from that of Sonnie Davis. “In order to preserve a [severance] motion on appeal, the motion must be renewed at the close of evidence.”
United States v. Sanchez-Lopez,
*763 VII. IMPROPER DELEGATION/APPOINTMENT OF SPECIAL PROSECUTOR
A. Standard of Review
We review de novo the district court’s refusal to dismiss the indictment for prose-cutorial misconduct.
United States v. Plesinski,
B. Discussion
Kevin Davis argues that a procedural defect in the appointment of the Special Assistant United States Attorney who appeared before the grand jury and subsequently tried the case invalidates his conviction. The circumstances underlying the appointment of the special assistant are set forth in the district court’s opinion.
Davis,
The alleged defect was at most a procedural irregularity, which did not deprive the district court of jurisdiction. Moreover, the defendants were not prejudiced by the absence of a written delegation. The indictment was drafted by a regular Assistant United States Attorney, approved by his supervisors in accordance with the procedure in the United States Attorney’s Office, and signed by the Acting United States Attorney. On the only date that testimony was presented to the grand jury, June 22, 1988, the regular Assistant U.S. Attorney who prepared the indictment was present in the grand jury room for the entire presentation of testimony. After the indictment was returned, the regular assistant continued to provide guidance and assistance to the Special Assistant U.S. Attorney.
This court recently rejected a similar argument in
Plesinski,
Accordingly, we hold that the district court did not err in denying appellant’s motion to dismiss.
VIII. CAREER OFFENDER PROVISION
A. Standard of Review
“The district court’s determination of whether a given prior conviction falls within the scope of the Sentencing Guidelines is reviewed de novo.”
United States v. Gross,
B. Discussion
Section 4B1.1 of the Sentencing Guidelines provides in relevant part:
A defendant is a career offender if (1) the defendant was at least eighteen years old at the time of the instant offense, (2) the instant offense of conviction is a felony that is either a crime of violence or a controlled substance offense, and (3) the defendant has at least two prior felony convictions of either a crime of violence or a controlled substance offense....
Section 4B1.2(2) provides:
The term “controlled substance offense” means an offense under a federal or state law prohibiting the manufacture, import, export, or distribution of a controlled substance (or counterfeit substance) or the possession of a controlled substance (or a counterfeit substance) with intent to manufacture, import, export, or distribute.
§§ 4B1.1 & 4B1.2(2). The only issue on appeal is whether Kevin Davis’ second pri- *764 or conviction falls within the career offender guidelines.
Prior to sentencing, the United States filed a copy of the transcript of Kevin Davis’ 1987 guilty plea for violation of Section 11351 of the California Health and Safety Code. Section 11351 provides for a sentence of up to four years imprisonment for possession of a controlled substance for sale. The transcript of the sentencing hearing indicates that Kevin Davis’ counsel conceded the prior conviction was not for simple possession. 8 Nevertheless, the district court, relying on apparently erroneous information in the probation report, found the prior offense was for simple possession and consequently did not sentence Kevin Davis as a career offender. Although the probation report is ambiguous, the transcript of Kevin Davis’ § 11351 plea hearing and the admissions of his lawyer make it clear that the prior conviction was not for simple possession, but rather was for possession with intent to sell.
Kevin Davis suggests the district court knew of the government’s position with respect to the prior felony but ruled that even if the prior conviction was for possession for sale the guideline still would not apply because in the prior conviction he was sentenced for a misdemeanor. Even if this were a basis for the district court’s failure to sentence under the career offender guidelines, it would still constitute reversible error. The application note to § 4B1.2, note three, states:
“Prior felony conviction” means a prior adult federal or state conviction for an offense punishable by death or imprisonment for a term exceeding one year, regardless of whether such offense is specifically designated as a felony and regardless of the actual sentence imposed.
Sentencing Guidelines § 4B1.2 (emphasis added). Although we are not bound to follow the application notes,
United States v. Gross,
A violation of section 11351 of the California Health and Safety Code is punishable by imprisonment for a term exceeding one year. Under the application note, therefore, the conviction was a “prior felony conviction.” The application note is consistent with the well established federal rule that a felony is an offense
punishable
by a maximum term of imprisonment of more than one year, regardless of the sentence actually imposed.
See
18 U.S.C. § 3156(a)(3) and former 18 U.S.C. § 1. It is also in harmony with the intent of Congress that repeat drug offenders “receive a sentence of imprisonment under the guidelines that is at or near the maximum term that is authorized by statute.”
United States v. Sanchez-Lopez,
Kevin Davis’ sentence must therefore be set aside and the case remanded to the district court with directions to impose a sentence consistent with this opinion.
IX. CONCLUSION
While Sonnie Davis has standing to assert a fourth amendment violation arising out of the search of the safe in Avis Andrews’ apartment, the search was a valid probation search which did not exceed the scope of Andrews’ search condition. The police had reasonable suspicion to believe the safe was jointly owned, possessed, or controlled by probationer.
Kevin Davis’ challenges to his conviction are without merit. The statute he was convicted of violating does not, as appellant contends, require the government to prove he had knowledge of the federal aspect of the crime. The district court did not abuse its discretion in denying Kevin Davis’ motions for mistrial. Kevin Davis’ failure to renew his severance argument at any time during trial or at the close of evidence constituted a waiver of the issue on appeal. The defective appointment of the Special Assistant United States Attorney does not afford a basis for dismissing the indictment. Finally, the district court clearly erred in failing to sentence Kevin Davis as a career offender.
AFFIRMED in part; REVERSED in part, REMANDED.
Notes
. In addition, the district court concluded that under the rule of
United States v. Issacs,
. The United States urges us to interpret
Minnesota
v.
Olson
as limiting standing in this context to overnight guests. Such an interpretation would be at odds with the great body of Supreme Court precedent as well as cases in this and other circuits.
See, e.g., Rakas,
The United States’ reliance on
Rawlings v. Kentucky,
Kovac
involved the search of an automobile which defendant did not own or use regularly, and which was not readily available to him.
Kovac,
. Appellant does not raise the question of whether police officers may conduct a probation search without authorization by a probation officer.
See United States v. Richardson,
. Sonnie Davis argues his arrest was unlawful and somehow taints the subsequent search of the probationer’s apartment. While it is true the police opened the safe using the combination found on Sonnie’s person, it is not true, as appellant argues, that the combination was illegally seized and retained after an illegal arrest. The combination was properly seized and retained pursuant to a valid search warrant authorizing the search of Sonnie for records relating to drug activity. The police had authority to detain Sonnie Davis briefly for the purpose of executing the search warrant. Any illegality in the arrest of Sonnie Davis which may have arisen after the valid search of Sonnie Davis and seizure of the combination would not taint the search of the safe at Andrews’ apartment.
. Sonnie Davis further argues the probationer disclaimed ownership of the safe at the time the police conducted the search of her apartment. However, the record does not support this contention. Sonnie Davis’ initial suppression motion contained the same assertion. In that instance, Sonnie Davis attempted to support the assertion by reference to a statement given by Andrews at the time of her arrest. While that statement indicates Andrews disclaimed ownership of the safe, it does not suggest that she communicated this fact to the police at the time of the search as appellant contends. Under the circumstances, even if Andrews had strenuously denied ownership of the safe at the time of the search, the police still could have reasonably suspected the safe was within her custody or control.
. It is not clear whether
Kaplan
espouses one exception or two.
Compare United States v. Plache,
. At the sentencing hearing, Kevin Davis' attorney stated:
I have seen the transcript of the narcotic possession case that has been in dispute, and I have no reason to believe that is not an accurate recollection — -that is not an accurate recording of that proceeding. It does appear that my client is of the belief that he was— that he had been convicted of simple possession only, however, that is at variance with the record.
