Sean 'Diddy' Combs' ex-girlfriend Cassie takes stand

Sean "Diddy" Combs' ex-girlfriend Casandra Ventura, a rhythm and blues singer known as "Cassie," testified at the hip-hop mogul's sex trafficking trial on Tuesday, telling the jury he would often beat her, leaving her with black eyes and bruises all over her body. This report produced by Freddie Joyner.