The Associated Press Verified account @AP
FBI concludes its investigation into the deadliest mass shooting in modern U.S. history without determining a motive.
After nearly 16 months, the agency says it can't determine why gunman Stephen Paddock killed 58 people in October 2017.
John Hayward @Doc_0
It beggars the imagination that someone could do something like this without leaving the faintest clue as to why - not online, not in writing, and not in conversation.
Crazy.