In fact , the so-called Farc rebels were informants working for the US drug enforcement agency .
事实上,这个所谓的Farc叛军组织是为美国美国缉毒署工作的密探。
The four men arrested were described as really big fish by the U.S. Drug Enforcement Agency .
美国禁毒署称被捕的4个人都是分量十足的大鱼。