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In an interview conducted by the staff in charge of the "Back & Forth" series, Cozart was revealed to be inflicted with Asperger syndrome, explaining the difficulty for him to engage in constant dialogue with his fellow interlocutor.While under house arrest for a previous weapons charge, Cozart posted several videos to his YouTube account. The attention he received grew in the short time between the release of several mixtapes and several of music videos, including "Bang", "3Hunna" and "I Don't Like".After two locally successful mixtapes, "I Don't Like" became a local hit in Chicago. It also caught fellow Chicago rapper Kanye West's attention, and West organized a remix of the song along with rappers Pusha T, Jadakiss and Big Sean.Finally Rich, Keef's third mixtape, is set to be released sometime in 2012. Featured guests include rappers Waka Flocka Flame, Young Jeezy, Yo Gotti and fellow members of Glory Boyz Entertainment.On July 7, 2012, it was announced that Chief Keef would be performing at the 2012 Lollapalooza music festival