New details of Orlando gunman's life raise more questions

Aired: 6/14/2016 | 0:04:04 | Clip
The investigation into the Orlando mass shooting took a strange twist Tuesday with some patrons of the gay nightclub that gunman Omar Mateen turned into a killing field saying he was a regular there and used gay dating apps. There were also reports that Mateen’s wife knew he was about to go on a rampage. This all as President Barack Obama plans to visit Orlando Thursday. William Brangham reports.