Some of the highest-ranking officials in the U.S. military were subjected to polygraph tests as part of a sweeping leak probe, U.S. officials briefed on the matter told CBS News.

In an extraordinary move, US government investigators have subjected 50 members of the American military’s Joint Staff to polygraph tests over leaks to journalists, including…

US President Donald Trump has threatened “long-term jail sentences” for anyone found responsible for releasing information about the US munitions stockpiles.