Bomb threats have been a part of American life since at least the 19th century. But in the 1970s the types of threats shifted dramatically. The people making bomb threats in the US started to claim their bombs had nuclear materials. By 1975, the US started a new task force to deal with the threats, and we at Gizmodo got our hands on a film that explains what this secret group of nuke-hunting police did.
Gizmodo 26th April 2017 read more »