Sent_en: 2zh He turned out to be a 20-year-old native from one of the North Caucasus republics, and "Despite the investigation having established the name of the terrorist, we will not name him today," because it may hamper ongoing efforts to detain people suspected of collaborating.
Sent_yy: “他原来是一名20岁的北高加索共和国人”，“尽管调查已经确定了这名恐怖分子的名字，但我们今天不会说出他的名字”，因为这可能会妨碍正在进行的拘留涉嫌参与合作的人的努力。