delivered the opinion of the Court.
The defendants, Tommy Lee Johnson and Llewelyn Edward Jones, were charged in multiple counts with different acts of aggravated robbery. Section 18-4-302, C.R.S. 1973. Both defendants wеre granted separate trials before different juries and were convicted. As to one count, which alleged the commission of a robbery by the defеndants, they were jointly tried.
*485 The defendants’ appeals allege several errors occurring during their joint trial: (1) use of prior convictions to impeach their testimony, (2) evidence seized and introduced at trial in violation of the warrant requirement of the Fourth Amendment, and (3) prejudice resulting from failure to sever the trials. We affirm.
I.
Use of Prior Convictions to Impeach
The prosecution sought to impeach the testimony of both defendants by introduction of evidence of prior convictions pursuant to 13-90-101, C.R.S. 1973. The “convictions” were based upon jury verdicts of guilty and the denial of motions for a new trial in the preceding separate trials of the defendants. In bоth cases, the defendants had not been sentenced. The defendants contend that this was reversible error under the rule announced in
People
v.
Goff
The essential function of the rule articulated in People v. Goff, supra, was to insure that impeachment would not be based upon a conviction which had not withstood the test of judicial scrutiny and the review provided by a motion for a new trial: “[T]he accused is entitled to have the trial judge determine that the jury convicted him on competent evidence and that error did not occur which would require a new trial.” People v. Goff, supra. The function was fulfilled in this case. Both defendants received a ruling on their motions for a new trial on the offense in issue рrior to the use of the convictions in this case.
There is ample authority from other jurisdictions for the proposition that a felony conviction, aftеr denial of a motion for a new trial, but prior to sentencing, may, nonetheless, be used for impeachment purposes.
See generally
Annot.,
II.
Validity of the Search Warrant
The dеfendants argue that certain evidence introduced at trial was seized from a residence and automobile pursuant to a search warrant which wаs based upon a defective affidavit. The affidavit related details of two similar armed robberies which were reported to the Colorado Springs Pоlice Department. In both robberies, the victims were bound with leather *486 thongs. In one robbery, credit cards were taken. The affidavit also averred that the police department had received a report from a credit card security officer regarding the attempted use of one of the stolеn credit cards by a female who was observed getting into a 1966 Cadillac bearing a specified license plate number. The affidavit also set forth that the license plate number was traced to the names of two parties, one of them defendant Jones, living at a specified address in Colorado Sрrings.
The affidavit described the police efforts to contact the persons residing at the address. The affiant stated that the investigation established that “persons were in the interior of the residence, however these individuals refused to answer the door” and that a 1966 Cadillac bearing the previously-reported license plate was parked in the driveway and that leather thongs were visible inside the car.
The affidavit was sufficient to establish a factual basis for a finding of probable cause by the magistrate. The underlying facts in the affidavit indicate that the three crimes were interconnected by a
modus operandi
as to the robberies. The theft and subsequent attempt to use a credit card were also tied to the robberies. The tracing of the credit card led to facts which gave probable cause to believe that evidence of the commission of the crimes would be found on the premises to be searched.
See People v. Brethauer,
As to thе use of hearsay in the affidavit, we find no defects of constitutional dimension under the doctrines developed from the seminal case of
Aguilar
v.
Texas,
The reports by the robbеry victims and investigating officers were further corroborated by the report from the credit card security officer. While the official position and detаiled report of the informant may alone provide some basis for crediting the reliability of his report, it was further corroborated by the investigating poliсe officer’s on-the-scene observation of the residence and the automobile.
See Spinelli v. United States, supra; United States
v.
Ventresca,
The trial judge properly interpreted the affidavit in a commonsense and realistic fashion.
See People v. Brethauer, supra; People
v.
Whisenhunt,
Because probable cause was established on the face of the affidavit and a “substantial basis” for crediting the hearsay appeared within the four corners of the affidavit, the warrant was sufficient. 1
III.
Failure to Sever Trial of Co-Defendants
Defendant Johnson contends that his right to a fair trial was prejudiced by his joint trial with the defendant Jones. We disagree.
There being no claim that the joint trial involved evidence admissible аgainst only one of the defendants, the matter of severance was left to the discretion of the trial court.
See
section 16-7-101, C.R.S. 1973;
People
v.
Maestas,
We find the defendants’ remaining contentions to be without merit.
Accordingly, we affirm the judgments of the trial court.
Notes
The police officers investigating the scene saw leather thongs inside the 1966 Cadillac. Defendant Johnson hаd no privacy interest in the vehicle.
See Alderman
v.
United
States,
