Islamic killer Omar Mateen swore allegiance to ISIS before the mass killing.
Mateen called 911 and swore allegiance to ISIS before the attack.
The Islamic extremist murdered 50 people at a “Pulse” gay nightclub in Orlando, Florida.
Within hours the Official ISIS Media Agency Amaq News took responsibility for the massacre.
#ISIS Amaq News Agency claims responsibility for #Orlando attack, shooter described as "an Islamic State fighter" pic.twitter.com/bIaARNg6Hp
— Jean-Charles Brisard (@JcBrisard) June 12, 2016
** Islamic killer Omar Mateen swore allegiance to ISIS before the mass killing.