Did the district court abuse its discretion in applying the 4-level enhancement for transporting an unaccompanied minor under U.S.S.G. § 2L1.1(b)(4)?

QUESTIONS PRESENTED FOR REVIEW 1. Did the district court abuse its discretion in applying the 4-level enhancement for transporting an unaccompanied minor under U.S.S.G. § 2L1.1(b)(4) ? II. Did the government establish, by a preponderance of the evidence, that Mr. Cordova-Briseno transported unaccompanied minors? Il. Did the district court improperly apply a "strict liability" standard, rather than considering whether it was reasonably foreseeable that a minor would be involved in the offense? IV. Did the Fifth Circuit wrongly conclude that the enhancement lacked a scienter requirement? il