Drug gangs use tactics to bypass sniffer dogs VnExpress Drug gangs are employing sophisticated chemical methods to produce cocaine that sniffer dogs and conventional scanners cannot detect when smuggled into Europe.
Thai woman caught with 4,5 kg cocaine during transit at Tan Son Nhat VnExpress Customs discovered a Thai national transporting 4,5 kg of cocaine hidden in a suitcase during transit procedures at Tan Son Nhat Airport.
