The First 48 Miami police leaving A&E's 'The First 48' after failed contract negotiations 05/19/2013 The Miami Police Department said is ending its long-running relationship with the A&E cable channel true-crime series "The First 48." Read More RELATED NEWS Miami police leaving A&E's 'The First 48' after failed contract negotiations'The First 48' crew filmed Detroit raid that resulted in young girl's deathA&E to premiere sixth season of 'The First 48' on July 12 TAGS: