constantly moving, verbally abusive, rude, aggressive.' One teacher wrote that he was 'very active. Teachers found dealing with Mateen difficult as early as third grade, according to St. Lucie County school records. School records say he struggled academically in the elementary grades because of behavioural problems and an inability to concentrate, and talked about violence at an early age.
The video surfaced as other details about Mateen's life come were discovered. Duration 0:49 Mobile phone video shows people huddled in bathroom trying to stay quiet
