Pulse Shooting Probe

As investigatorss probe the deadly Orlando nightclub shooting, the gunman's father discussess his son's possible motives.

THIS STORY CONTAINS GRAPHIC VIDEO/AUDIO.   Investigators continue looking into Sunday’s deadly mass shooting at an Orlando, Florida LGBT nightclub: Pulse. At this point, the death toll stands at fifty people killed, and fifty-three others wounded, making it the deadliest mass shooting in U.S. history. All after police say one man began shooting and taking hostages early Sunday. The FBI…