From 2002 to 2006, from when Omar was 16 years old to 20 years old, he had 8 jobs in 4 years. At 18 years old, Omar Mateen worked as an assistant at Gold’s Gym in St. Lucie West, and he'd worked as a sales associate at Hollister Clothing and General Nutrition Center (GNC) at the Treasure Coast Square mall in Jensen Beach. 37 year old Stefan Comvalius said that Omar Mateen was a fitness buff with a terrible temper. Comvalius figured the anger was coming from steroid use. When Omar was 19 years old, in 2006, Mateen was injured when a St. Lucie County Sheriff's deputy lost control of his cruiser while racing to the scene of an automobile crash. Mateen was a passenger in the patrol car, taking part in a citizen ride-along. Also in 2006, Omar earned an associate of science degree in criminal justice technology from Indian River State Community College in 2006. That's a degree required to become a law enforcement officer in Florida. This is also when a former colleague