Sebold has already secretly agreed with the FBI to act as a double agent. They've bugged his 42nd St. engineer's office 【1940-2-9 3:02】赛博尔德已经和FBI秘密达成协议，充当双面间谍。他在纽约42街租下一个办公室，对外的身份是工程师，FBI在这个房间安装了窃 听 器。
