Yesterday’s terrible shooting at Pulse, an LGBTQ nightclub in Orlando, Florida, left 49 dead (in addition to the shooter, who was killed by police) and 53 injured. That makes it the largest mass shooting in American history and the deadliest terrorist attack on U.S. soil since 9/11.

Authorities have identified the killer as 29-year-old Omar Mateen. He carried a handgun and an AR-15 style assault rifle into the club with him, according to authorities — weapons capable of killing many people very quickly as evidenced by this tragedy.

Mateen legally purchased those weapons, despite investigations in 2013 and 2014 by the Federal Bureau of Investigations for his potential ties to terrorism.

Read the rest of this article at Teen Vogue …