delivered the Opinion of the Court.
I. Facts and Procedural History
In September 2000, Respondent Stephen Skufca was charged with possession of drug paraphernalia, including contraband, in the first degree, possession with intent to distribute marijuana, and possession with intent to distribute methamphetamine. Skufca pled not guilty and went to trial, but his first trial ended in a mistrial because of a discovery violation. Following a second jury trial, Skufca was convicted of possession of methamphetamine and of more than one but less than eight ounces of marijuana, but the jury did not find that he possessed those drugs with the intent to sell them. He was also convicted of introduction of contraband and possession of drug paraphernalia, and he was later adjudicated a habitual criminal. On appeal, the court of appeals reversed Skuf-ca’s convictions and remanded for a new trial, holding that the trial court impermissi-bly violated Skufca’s right to testify by admitting evidence of prior related drug transactions.
People v. Skufca,
The People appealed the court of appeals’ reversal of Skufca’s conviction, and we granted certiorari on the question of whether the court of appeals erred in concluding that the admission of res gestae evidence in the prosecution’s case-in-chief impermissibly burdened Skufca’s right to testify because the evidence related to charges pending in another case. Upon review, we disagree with the court of appeals and therefore reverse its ruling.
Officers discovered the evidence leading to Skufca’s convictions after Skufca was arrested on a warrant for traffic offenses. During a search incident to arrest, officers recovered three $100 bills on his person, and in his ear they found a bag with 2.86 grams of methamphetamine, two bags containing a total of 33.35 grams of marijuana, a small scale, and a shortened plastic pen tube containing drug residue. During a search at the jail, officers also found two phone numbers written on a crumpled-up paper containing trace amounts of methamphetamine.
Unbeknownst to Moffat County police at the time of the arrest, Skufca was a subject of a federal investigation by the Drug Enforcement Administration (“DEA”). Earlier on the day of his arrest, Skufca had helped a man whom he believed to be a drug dealer— but who was actually an undercover DEA agent — purchase 9.6 grams of methamphetamine and one pound of marijuana from two unnamed sources. As payment, Skufca received about two grams of methamphetamine and about one half of an ounce of marijuana.
Before the first trial in the case at hand, the People submitted a memorandum arguing for the admission of evidence of the drug transactions that had occurred earlier in the day. The People argued that the evidence was admissible as res gestae evidence because it went to whether Skufea knowingly possessed the drugs, and it helped explain Skufca’s possession of the $100 bills. The court rejected the defense’s arguments that the evidence was character evidence and was thus inadmissible under CRE 403. The court ruled that “in order to understand the circumstances surrounding this arrest and the possession, the jury has a right to and should hear what had occurred that day. It is closely connected to the events surrounding the arrest, and the Court is going to go ahead and admit it.”
Skufea then argued that if he chose to testify, he should be permitted to assert his Fifth Amendment privilege if the People cross-examined him about the earlier drug transactions. The court ruled that the scope of Skufca’s cross-examination would depend on the scope of his direct examination. 1 For instance, the court stated that if Skufea denied during direct examination that the earlier drug transactions took place, the People would be permitted to cross-examine him about that denial. The trial court applied those evidentiary rulings in the second trial as well.
In their case-in-chief, the People presented testimony about the earlier drug transactions. Afterward, the court gave Skufea a
Curtis
advisement and asked Skufea whether he wished to testify.
See People v. Curtis,
II. Analysis
The United States and Colorado constitutions afford a criminal defendant the right to testify on his or her own behalf.
Rock v. Arkansas,
A defendant’s right to testify on his own behalf is impermissibly burdened when the court imposes a price for its exercise.
People v. Myrick,
In analyzing the impact of the trial court’s ruling on Skufca’s rights, we look to three potential arguments that may support Skuf-ca’s position. First, we consider the application of Colorado cases which hold that a defendant’s right to testify on his own behalf is sometimes infringed when a court erroneously rules that certain evidence is admissible against him. Second, we look to cases from other jurisdictions, relied upon by the court of appeals, to determine whether the rationales of those cases would compel a finding of uneonstitutionality if we were to adopt them here. Last, we determine whether any other legal doctrine supports a finding that Skufea’s rights were violated by the admission of the prior drug transaction evidence in the People’s case-in-chief or by the ruling that the evidence could be used during Skufca’s cross-examination to the extent that Skufca opened the door to it.
A. Colorado Cases Finding an Infringement of the Right to Testily Due to Improperly Admitted Evidence Do Not Apply
We first consider the application of a line of eases holding that a defendant’s right to testify is sometimes infringed when inadmissible evidence against him is erroneously ruled to be admissible.
See, e.g., People v. Evans,
Res gestae evidence includes evidence of another offense, which is related to the charge on trial, that helps to “provide the fact-finder with a full and complete understanding of the events surrounding the crime and the context in which the charged crime occurred.”
People v. Quintana,
In this case, the evidence of the prior drug transactions helped give the jury a more complete understanding of the events surrounding the crime. It helped explain how Skufca might have come into possession of the drugs. In addition, it helped to explain why Skufca had three $100 bills in his possession.
To be admissible, res gestae evidence must also be relevant under CRE 401, which means that it must tend to “make the existence of any fact that is of consequence to the determination of the action more probable or less probable.” This evidence is relevant to show that Skufca knowingly possessed the drugs. The drugs found on Skufca were of the same type that the DEA agent testified he gave to Skufca, which suggests that they could be the same drugs. Therefore, the evidence makes it more likely that Skufca knew he was in possession of the drugs that were the subject of the trial.
Because the evidence is relevant and it helped establish for the jury the context and circumstances surrounding the crime with which Skufca was charged, we uphold the trial court’s determination that the evidence is res gestae evidence. Consequently, the
B. Betts and Tuell Do Not Provide a Rationale for Holding That the Trial Court Erred
Indeed, the court of appeals purported to rely on a different rationale in ruling that the evidence should have been excluded. The court concluded that “the trial court did not abuse its discretion in admitting the evidence of the morning drag transactions as res ges-tae, absent the chilling effect on defendant’s right to testify.”
Skufca,
The court of appeals reasoned that the trial court’s admission of the evidence created an impermissible tension between Skuf-ca’s right to testify on his own behalf and his right to remain silent as to the charges pending in federal court.
Id.
at 880. This alleged tension presumably arises because if Skufca had chosen to exercise his right to testify on his own behalf, he would have risked opening the door to questions about his pending federal charges, and therefore having to testify about those charges. In concluding that the trial court impermissibly forced Skufca to give up his right to testify, the court of appeals relied on two eases from other jurisdictions,
People v. Betts,
Betts
is not persuasive because the issue raised in that case differs from the issue here. Additionally, even if the rationale of
Betts
applied to this case, that decision appears to contradict the court of appeals’ ruling in the case at hand. In
Betts,
the defendant was on trial for first degree rape, and the trial court ruled in a pre-trial hearing that the prosecution could cross-examine him about a pending unrelated burglary charge.
The evidence in
Betts
is dissimilar from the evidence in the case at hand because the evidence in Betts was unrelated to the charge on trial, and it was relevant solely to attack the defendant’s credibility during cross-examination.
See id.
520 N,Y.S.2d 370,
In addition, a statement from the
Betts
decision undercuts the court of appeals’ holding in this case that the trial court erred. The
Betts
court indicated that the prosecution could not impeach the defendant’s credibility with the contested evidence merely because the defendant took the witness stand. However, the
Betts
court clarified that the prosecution
could
impeach the defendant with that evidence if he were to “open the door and render those charges relevant for contradiction and response.”
Id.
Similarly, the issue in
Tuell
is different from the issue in the case at hand because in
Tuell,
the relevant question was whether the trial court’s error was moot. In
Tuell,
the Arizona Supreme Court determined that the trial court erred when it denied the defendant’s motion in limine to bar the use of evidence of an unrelated crime during cross-examination.
The Tuell court’s reasoning does not apply to this case because in Tuell, the evidence was inadmissible notwithstanding any constitutional violation. The constitutional analysis in that case was relevant only to determine whether an evidentiary error should be considered on appeal. Here, the trial court properly ruled that, absent any constitutional violation, the evidence was admissible. Skuf-ca argues that his constitutional rights themselves required the trial court to rule the evidence inadmissible. Because Tuell does not support that argument, we do not find Tuell persuasive of Skufca’s position.
C. Other Legal Doctrines Indicate that Skufca’s Rights Were Not Violated
Having determined that the trial court properly characterized the other drug transaction evidence as res gestae evidence, and that the cases relied on by the court of appeals do not support a finding that the evidentiary ruling was unconstitutional, we next turn to whether any other legal doctrine supports Skufca’s position. First, we look to the admission of the evidence in the People’s case-in-chief. Then, we consider the trial court’s ruling on the permissible scope of Skufca’s cross-examination.
1. Admission of the Evidence in the People’s Case-In-Chief Did Not Violate Skufca’s Constitutional Rights
Skufca asserts that by admitting evidence of the earlier drug transactions during the People’s case-in-chief, the trial court im-permissibly forced him to give up either his right to testify on his own behalf or his right to refrain from incriminating himself. Skuf-ca appears to argue that once the People presented evidence of the prior drug transactions during their case-in-chief, he could not take the stand without raising issues that would open the door to cross-examination on those prior drug transactions. Skufca claims that because he could not discuss those prior transactions without running the risk of incriminating himself, the very admission of the evidence in the case-in-chief forced him to either remain silent or risk self-incrimination.
The choice that Skufca describes is a tactical choice, however, not one implicating his constitutional rights. A defendant may constitutionally be required to make difficult strategic choices, such as whether to give
Additionally, Skufca’s own direct examination, not the People’s ease-in-chief, would control the extent to which Skufca could be forced to answer questions about the drug transactions on cross-examination. The trial court ruled that Skufca could be questioned about the evidence during cross-examination only to the extent that he opened the door during direct examination. The admission of the evidence during the People’s case-in-chief may have given Skufca a tactical incentive to confront the issue if he chose to take the stand, thereby opening himself up to questions about the evidence on cross-examination, but this strategic consideration has no bearing on his constitutional ability to choose whether to testify on his own behalf.
2. The Trial Court Did Not Err by Failing to Limit the Scope of Cross-Examination
Last, we turn to the trial court’s ruling that if Skufca chose to testify, the People could cross-examine him about the prior drug transactions to the extent that Skufca opened the door to that topic. “The scope and limits of cross-examination for bias are within the sound discretion of the trial court.”
Bonser v. Shainholtz,
In this case, the court of appeals recognized that Colorado law permits a broad scope of cross-examination of a defendant.
Skufca,
However, the court of appeals’ ruling that the scope of cross should have been limited to exclude evidence of the prior drug transactions, regardless of whether Skufca raised that topic on direct, contradicts long-standing precedent from this court and the United States Supreme Court holding that a defendant who chooses to take the stand waives his Fifth Amendment privilege against self-incrimination as to the topics made relevant during his direct examination.
See, e.g., Brown v. United States,
III. Conclusion
We hold that the trial court did not err in admitting the prior drug transaction evidence during the People’s ease-in-chief. In addition, we hold that the trial court did not err in ruling that the People could cross-examine Skufca about that evidence to the extent that Skufca opened the door to the evidence during his direct examination. Therefore, we reverse the decision of the court of appeals.
Notes
. The record makes clear that this was the trial court’s ruling. After ruling that the evidence was admissible, the court stated:
I don’t know about the case law which suggests that somehow a person doesn’t have to face that dilemma when they are charged with crimes.... He has to make up his mind. If he wants to answer all the questions that may be asked, then I think you can go into the whole area, what happened that day, what was going on there.
In addition, the People expressed concern that the jury would believe that the People forgot to ask Skufea about the prior drug transaction evidence if Skufea were to take the stand but fail to bring up the topic during direct examination. The People requested that the court instruct the jury that the People are limited during cross-examination "to the scope of the matters that are addressed on direct examination.”
. The
Betts
court emphasized that the evidence of the pending charges was not related to - the charge on trial, and that it was relevant only to attack credibility.
