Cheif Keef is back in trouble with the law in Sioux Falls, South Dakota following a show promoted by Kowabunga Music. Cheif Keef was arrested for attempting to bring marijuana on board his flight after being searched in TSA it was found that he had drugs in his luggage. His colleagues also mentioned that they will be looking for a treatment center in Oregon for Chief Keef to go on a process of rehab for addiction. Keith Cozart, who goes by stage name Chief Keef, who recently released a new mixtape Thot Breaker is charged with possession of drug paraphernalia of marijuana and possession of between two ounces and a…