FILE - This undated file image shows Omar Mateen, who authorities say killed 49 people inside the Pulse nightclub in Orlando, Fla., on Sunday, June 12, 2016. (MySpace via AP, File)
FILE - This undated file image shows Omar Mateen, who authorities say killed 49 people inside the Pulse nightclub in Orlando, Fla., on Sunday, June 12, 2016. (MySpace via AP, File) AP
FILE - This undated file image shows Omar Mateen, who authorities say killed 49 people inside the Pulse nightclub in Orlando, Fla., on Sunday, June 12, 2016. (MySpace via AP, File) AP

What motivated Orlando killer? It was more than terrorism, experts say

June 17, 2016 08:11 PM

UPDATED June 19, 2016 12:54 PM

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