维尔纳瓦说，藏匿手机的囚犯都是“野蛮萨尔瓦多人”暴力团夥的成员，目前他们的姓名尚未被公开，以免在一月前开始的调查行动遭到破坏。
The names of the prisoners , all members of the dangerous Mara Salvatrucha gang , were not released in order to avoid jeopardizing the investigation , which began a month ago , he said .
暴力团