The Government appeals the district court’s decision to grant Horasio Herrera-Gonzalez’s ' motion to suppress evidence seized after a search of his car during a traffic stop. Because we believe the traffic stop was lawful and, even if it was not, Herrera-Gonzalez’s voluntary consent to the search purged any arguable taint of the stop, we reverse.
I. BACKGROUND
During the clear mid-morning of July 18, 2005, Dallas County Deputy Sheriff Scott Faiferlick had been traveling for some distance behind Herrera-Gonzalez’s vehicle eastbound on Interstate 80, a four-lane interstate with two lanes each direction. Faiferlick observed the vehicle cross the fog line on the right side of the right lane for “about 10 to 15 seconds.” Prior to this observation, Faiferlick had not observed any other violations or unusual driving. At the time Herrera-Gonzalez crossed the line, two tow trucks were 50 to 100 yards ahead, partly in the median and partly on the left shoulder of the highway. Nothing was blocking the right shoulder when he crossed the fog line. Prior to reaching the tow trucks, however, Herrera-Gonzalez moved back into the right lane of travel as he approached a short bridge that was just before the tow trucks. After crossing the bridge, Herrera-Gonzalez “hugged” the fog line until he passed the tow trucks, at which point he resumed travel in the center portion of the right lane. Herrera-Gonzalez testified that he crossed the fog line to avoid the tow trucks. Faiferlick testified that there was no need to cross the fog line to avoid the trucks and that he believed it was unsafe to cross the line. Based upon the fog-line crossing and his concern that the driver might be impaired or tired, Faifer-lick stopped Herrera-Gonzalez for violating Iowa Code § 321.306, which requires that “[a] vehicle shall be driven as nearly as practical entirely within a single lane and shall not be moved from such lane until the driver has first ascertained that such movement can be made with safety.”
As Faiferlick pulled the vehicle over, he called the California license plates in to dispatch. The plates came back “not on file,” which according to Faiferlick meant that there was no record for the plate or that it was an invalid plate. When Faifer-lick approached the vehicle, he could see that Herrera-Gonzalez was not impaired, asleep or intoxicated. Herrera-Gonzalez told Faiferlick his name was Jose Rodriguez and produced a California driver’s license bearing the name Jose Rodriguez, as well as the vehicle’s registration and proof of insurance. Faiferlick then asked Herrera-Gonzalez to accompany him to his patrol car, which he did. While Herrera-Gonzalez was in the patrol car, Faif-erlick asked him where he was going, where he was coming from, and the nature of his employment. Faiferlick also tried but failed to verify Herrera-gonza-lez’s driver’s license and issued Herrera-Gonzalez a written warning for improper use of lanes. Herrera-Gonzalez offered to retrieve documents from a briefcase in his car that allegedly would verify his identity, but Faiferlick declined the offer. Shortly thereafter, Faiferlick asked if he could retrieve the documents and asked for consent to search the vehicle. Herrera-Gonzalez claimed he consented to have Faiferlick retrieve the verifying documents only, while Faiferlick contended *1108 that the consent was not limited in any way. Faiferlick had written consent forms in his vehicle, but did not provide one to Herrera-Gonzalez or inform him of his right to refuse consent.
The search revealed a hidden compartment behind the rear seat of the car that Faiferlick believed contained controlled substances. Upon finding the compartment, Faiferlick placed Herrera-Gonzalez in handcuffs, resumed his search, and through the use of a fiber-optic scope observed numerous packages inside the compartment. After observing the packages, Faiferlick returned to his patrol car, noticed that the videotape that he thought was recording the stop had ended, and placed a new tape in the recorder. Faifer-lick testified that approximately 30 minutes elapsed between the time his tape stopped and the time he inserted the new tape. In an effort to remedy the lapse in videotaping, Faiferlick called Deputy Adam Infante so that a third party could witness him reading Herrera-Gonzalez the Miranda 1 rights. During the call, Herm era-Gonzalez confirmed that he had given consent to search the car. After law enforcement officers later found 14 kilograms of cocaine in the hidden compartment, Herrera-Gonzalez again confirmed in an interview with Infante that he had given Faiferlick consent to search his vehicle. Herrera-Gonzalez did not indicate in either of the subsequent affirmations that the consent had been limited in any way.
The district court concluded that the stop violated the Fourth Amendment because Faiferlick did not have an objectively reasonable basis to believe a traffic violation had occurred. The court found that there was “no factual basis for a conclusion that the Defendant’s modest movement from his lane of travel could not be ‘made with safety’ and that the fog-line crossing could reasonably be interpreted as an attempt to give the tow truck workers more room. Moreover, the district court noted that Faiferlick did not pursue any line of questioning that would have investigated his alleged suspicion that Herrera-Gonzalez may have been tired or intoxicated. The court did not make factual findings as to whether Herrera-Gonzalez stayed in his lane “as nearly as practical” or whether he had “ascertained” prior to crossing the line that his move could be made safely.
With respect to the scope of Herrera-Gonzalez’s consent, the district court found Faiferlick’s testimony more credible than Herrera-Gonzalez’s, concluding that he had not limited his consent. 2 The court went on to conclude, however, that the consent was not sufficient to purge the taint of the illegal stop because: (1) the temporal proximity between the stop and the consent was unclear, but was no more than 20 minutes and could have occurred within a few minutes after the first tape ran out (some 4 minutes after the stop began) or some 15 minutes later; (2) there were no intervening circumstances between the stop and the consent; and (3) the purpose and flagrancy of Faiferlick’s misconduct weighed in favor of Herrera-Gonzalez. As support for its official-misconduct conclusion, the district court noted the unreasonable basis for the stop and questioned Faiferliek’s purpose in seeking consent to search where the only perceived violation was a fog-line crossing. According to the district court, these facts and Faiferlick’s questions regarding Herrera-Gonzalez’s travel itinerary and employment suggested a “quality of purpose *1109 fulness” in Faiferlick’s actions, particularly because nothing had transpired during the stop to suggest that a search for contraband or evidence of a crime was necessary. Ultimately, however, the court concluded that even absent flagrant official misconduct, the uncertainty of the temporal proximity and the lack of intervening circumstances rendered Herrera-Gonzalez’s consent insufficient to purge the taint of the illegal stop. Consequently, the district court granted Herrera-Gonzalez’s motion to suppress.
II. DISCUSSION
Having reviewed the suppression hearing transcript and the video recording of the traffic stop, we conclude that the district court erred in holding that the traffic stop was objectively unreasonable.
This court reviews the district court’s findings of fact for clear error and its legal conclusions about probable cause and reasonable suspicion de novo.
United States v. Washington,
Federal courts of appeals, including this one, have reached different conclusions on the objective reasonableness of traffic stops based on statutes very similar to § 321.306, depending on the particular circumstances of each case.
Compare United States v. Herrera Martinez,
In addition, the Iowa Supreme Court’s analysis of § 321.306 in
State v. Tague,
In this case, the district court concluded that Herrera-Gonzalez’s fog-line crossing could be interpreted as a reasonable response to the tow trucks ahead and that it was, in fact, safely made. It did not, however, make factual findings as to whether Herrera-Gonzalez first ascertained that the move could be made with safety or whether the position of the tow trucks in the median and on the left shoulder actually made it impractical for him to stay in the right-hand lane of the interstate. See Iowa Code § 321.306 (“A vehicle shall be driven as nearly as practical entirely within a single lane and shall not be moved from such lane until the driver has first ascertained that such movement can be made with safety.”). In fact, the suppression hearing transcript reveals that after traveling 10 to 15 seconds straddling the fog line, Herrera-Gonzales crossed back into the right lane in order to cross the bridge before reaching the tow trucks. This at least suggests an objective basis for believing Herrera-Gonzalez did not ascertain that his initial crossing of the fog line could be accomplished safely. Herrera-Gonzalez then remained in the right lane hugging but not crossing the fog line as he passed the tow trucks, which raises the further question of whether it was impractical for him to stay in his lane in the first place. Indeed, Faiferlick testified that the tow trucks’ position in, the median and on the left shoulder did not make staying in the right lane impractical and that he simply moved his patrol ear from the left lane of the interstate to the right lane in order to avoid the tow trucks. Given these differences between the circumstances of this case and those in Ta-gue, Tague’s holding does not compel the conclusion that Faiferlick’s belief that Herrera-Gonzalez violated § 321.306 was objectively unreasonable.
To the contrary, under the circumstances of this stop — the 10 to 15 second
*1111
crossing of the fog line, the time of day (morning), the clear weather conditions, the fact that there was a full lane of travel between Herrera-Gonzalez and the tow trucks, the lack of any additional adverse conditions that would have made it impractical for Herrera-Gonzalez to keep his car in the lane, and the fact that Herrera-Gonzalez returned to his lane to avoid the bridge and then continued within his lane as he passed the tow trucks — and given the obvious difficulty of observing from a patrol car whether a driver has ascertained that his move can be safely made, we conclude that Faiferlick had an objectively reasonable basis to believe that a violation of the Iowa statute had occurred.
See Alvarado,
However, even if the traffic stop were not lawful, Herrera-Gonzalez’s consent was sufficient to purge the taint of the stop. We review this issue de novo.
United States v. Simpson,
The Government argues that the length of time between the traffic stop and Herrera-Gonzalez’s later affirmation of his consent was more than sufficient for this factor to weigh in the Government’s favor. However, the Government focuses on the wrong time frame. The record does not support the conclusion that the subsequent affirmation of the consent was an additional or second consent to search. Rather, it
*1112
was merely an affirmance that the original consent had been given, and the proximity of an affirmance does not aid in determining whether the original consent was an independent act of free will.
Cf. United States v. Moreno,
In assessing the temporal proximity factor, we focus on the time between the illegal stop and Herrera-Gonzales’s initial consent to search. As the district court correctly noted, this time frame is not clear from the record. Nevertheless, Herrera-Gonzalez concedes in his appellate brief — and the record and the district court’s conclusions support the concession — that the initial consent was given within 10 to 15 minutes of the stop. While 10 minutes does not in itself suggest sufficient attenuation to purge the taint of the stop, neither does it compel the conclusion that the attenuation was insufficient. Indeed, this court has found consent given a short time after the stop sufficient to purge the taint if other circumstances indicate the consent was sufficiently an act of free will.
See United States v. Palacios-Suarez,
With regard to intervening circumstances, the district court noted that the fact that Faiferlick declined Herrera-Gonzalez’s offer to retrieve the documents from his vehicle and instead requested consent to search suggested continuity between the illegal stop and the consent. 4 We fail to see how these facts necessarily indicate the absence of intervening circumstances.
Faiferlick testified that subsequent to his decision to initiate the traffic stop but prior to his request for consent, he was unable to verify Herrera-Gonzalez’s license plates or driver’s license. We have found sufficient intervening circumstances in analogous situations where prior to requesting consent, officers observed circumstances that justified seeking consent. For example, in
Becker,
after an allegedly illegal stop, officers continued to detain the defendant because they were concerned that he might be under the influence of controlled substances.
Becker,
“Courts have found purposeful and flagrant conduct where: (1) the impropriety of the official’s misconduct was obvious or the official knew, at the time, that his conduct was likely unconstitutional but engaged in it nevertheless; and (2) the misconduct was investigatory in design- and purpose and executed ‘in the hope that something might turn up.’ ”
Simpson,
We also disagree with the district court’s conclusion that Faiferlick’s actions suggested an impermissible investigatory design. We believe the crux of the district court’s error was in concluding that Faifer-lick’s questioning and request for consent to search was unjustified- because it was based solely on a fog-line crossing and, therefore, suggested misconduct. At the •time of the questioning and request for
*1114
consent, the difficulty in verifying the plates and driver’s license had given Faif-erlick a reason to be suspicious. Nothing in the record suggests that Faiferlick had an investigatory purpose prior to discovering problems with the plates and license or prior to the stop which constituted the alleged misconduct. There is no evidence that the stop was designed to “turn something up,” that Faiferlick acted in bad faith in asking for consent to search, or that Faiferlick was attempting to exploit an illegal situation.
Ramos,
Given our conclusion that there was no misconduct (and even if there was, it was certainly not flagrant,
see Kreisel,
III. CONCLUSION
We hold that the district court erred in concluding that the traffic stop was unlawful. However, even if the stop were unlawful, Herrera-Gonzalez’s voluntary consent was sufficient to purge the taint of the stop. Accordingly, the evidence discovered by the consented-to search was not made inadmissible by the Fourth Amendment. We therefore reverse the district court’s grant of Herrera-Gonzalez’s motion to suppress, vacate the suppression order, and remand for further proceedings consistent with this opinion.
Notes
.
Miranda v. Arizona,
. The district court also concluded that the consent was voluntary, noting that neither party had raised the issue. Herrera-Gonzalez does not challenge that conclusion on appeal.
. An officer’s subjective motivations in initiating a traffic stop play no role in analyzing the constitutional reasonableness of the stop under the Fourth Amendment.
Whren,
. The district court correctly noted that Faif-erlick was not required to inform Herrera-Gonzalez that he may refuse to consent.
Palacios-Suarez,
. We also note that this court has found consent sufficient to purge the taint even in the absence of intervening circumstances where the circumstances suggest that the officer was not trying to exploit an illegal situation and his conduct was in good faith.
Ramos,
