In week two of Sean 'Diddy' Combs' sex-trafficking and racketeering trial, singer Dawn Richard took the stand. She testified Diddy tried to silence her and another woman after they allegedly witnessed him beating his longtime girlfriend, Cassie. Richard claims he told them they would go missing if they spoke up. Meanwhile, defense lawyers argue these testimonies do nothing but prove a history of domestic violence rather than the federal charges brought against Diddy. He continues to argue his in