Lil' Boosie's cousin Young Dee introduced Boosie to Baton Rouge rapper C-Loc in the late 1990s. He was mentored by Young Bleed and C-Loc as well as MD. and joined the group Concentration Camp, as the youngest member in 1998. The group consisted of Young Bleed, C-Loc, Happy Perez, Boo, Max Minelli, J-Von, Lee Tyme and Lucky Knuckles. He eventually debuted on C-Loc's fifth album, 'It's A Gamble' in 2000 under his old alias Boosie and Concentration Camp third studio album "Camp III ":" Thug Brothas" in 2000.