FBI has confirmed that the shooter of Orlando gay club that killed 49 and left 29 wounded Omar Mateen a 29 years old was self-radicalized by reading online extremist propaganda.
Meena preadged allegiance to the leader of IS group in the mid of his killing spree.
About 49 reported killed and 53 wounded after Mateen opened fire on early Sunday at Pulse night club, he was then killed by police after police stormed the club.
Mateen reported to be visited gay club several times.