On 1 July, a report quoted a highly placed U.S. congressman as saying the attack had been organized by a Chechen extremist known to be a top ISIS lieutenant, Akhmed Chatayev.
” 7月1日，有报道引述一名身居高位的美国国会议员的话，表示袭击是由一为车臣极端分子艾哈迈德·查塔耶夫（Akhmed Chatayev）策划的。