He eventually spoke to Assistant Director D.M. Ladd.[1] He finally convinced the FBI by dumping his mission's entire budget of $84,000 on the desk of Assistant Director D. M. Ladd.[17] At this point, he was taken seriously and interrogated for hours.[18] Besides Burger, none of the other German agents knew they were betrayed. Over the next two weeks, Burger and the other six were arrested. FBI Chief, Hoover, made no mention that Dasch had turned himself in, and claimed credit for the FBI for cracking the spy ring.[4]