He withdrew from Martin County High School in 2003 and eventually graduated from Stuart Adult Community High School, records show. As early as third grade, the Florida nightclub shooter talked frequently about sex and violence and before finishing high school was suspended for a total of 48 days, including for fighting and hurting classmates, school records showed. After high school, Mateen attended Indian River Community College, graduating in 2006 with a degree in criminal justice technology. For elementary and early middle school, Mateen attended class in neighboring St. Lucie County, where teachers said he was disruptive and struggled academically. Teachers "couldn't seem to help him," said Dan Alley, retired dean of Martin County High School.

Source: ABC News June 17, 2016 15:30 UTC