Through the use of cooperating witnesses, confidential informants, undercover operations, electronic surveillance and other traditional and non-traditional investigative techniques, FBI/DEA field offices along the Southwest border continue to aggressively
Through the use of cooperating witnesses, confidential informants, undercover operations, electronic surveillance and other traditional and non-traditional investigative techniques, FBI/DEA field offices along the Southwest border continue to aggressively
通过合作证人、秘密情报员、秘密情报、电子侦查以及其他传统侦查措施与非传统侦查措施的有机使用，联邦调查局与药品管理局在西南边境地区还持续打掉了四个墨西哥贩毒集团。