The document discusses whether the mass shooting at a gay nightclub in Orlando, Florida by Omar Mateen was an act of terrorism or a hate crime. It provides details about Mateen's background, history of domestic violence, anger issues, and hostility towards public displays of affection between gay men. It also compares the Orlando shooting to other mass shootings and attacks in the US motivated by white supremacy and anti-government beliefs. FBI investigations into Mateen's previous statements of support for terrorist groups and his pledge of allegiance to ISIS during the attack provide evidence that it was an act of terrorism rather than just a hate crime.