The victim: Police Constable Greg Schultz. The killer: stand-up comic and Greg's older brother Murray Schultz. Greg's death is the first case for Oscar following his recovery and promotion to staff sergeant, Brian in his new position as Angie's partner, and the new homicide detective Mitch Kennecki, an overly cocky know-it-all because he is a legacy. Greg's death is initially d...

作案动机第四季是由Andy Mikita执导，克里斯汀·莱曼,路易斯·费雷拉,Brendan Penny,罗伦·荷莉,小维克多·津克,Matthew Kevin Anderson,乔恩·海德,普里西拉·法雅,露西亚娜·卡罗,玛茜·T·豪斯,斯宾塞·德雷弗,林克·贝克,Shiloh Blondel,Conor Gomez,Donna Yamamoto主演的其它剧，在2016年上映播出，小米影视提供了作案动机第四季在线观看，并且还可以支持手机看，不需要下载播放器,方便广大影迷。