He has posted several comments on multiple Facebook accounts to spread his views on Islam and Western civilization. Omar Mateen, the shooter has stated, "America and Russia stop bombing the Islamic state... I pledge my allegiance to abu bakr al Baghdadi... May Allah accept me." "In the next few days you will see attacks from the Islamic state in the usa." In addition, "You kill innocent women and children by doing airstrikes... Now taste the Islamic state vengeance." He directly pledged servitude to ISIS. By the way, Abu Bakr al-Baghdadi is the current leader of ISIS. Check npr.Org for quotes.