americandream bordersecurity business casestudies cocaineindustry crime crimeprevention drugabuseandcrime drugaddiction drugcouriers drugstrade drugtraffic economics femaleoffenders genderstudies:women general girls globalization guatemala heroinabuse heroindependence infrastructure mexico narcotics organizedcrime oxycodone securitymeasures socialscience unitedstates wm288q7d2015