Motive (US Series)

Brute Force (1x11)

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Mark "The Machine" Mason was a boxer who takes care of his family, including his wheelchair-bound brother Joey. Mark is now dead, stabbed to death by Joey, who tells Angie and Oscar that he found his dead brother on the gym floor. In the past, Mark never listened to Joey's plans to increase revenue for their boxing gym, even after Joey's accident. The investigation into Mark's death is hampered when Joey goes on television and blames a street kid who hangs around the gym for Mark's murder. Mark had occasionally given the kid money. The kid eventually overdoses. Maggie doesn't believe the kid is their killer. Angie eventually notices the handles on Joey's wheelchair had been switched. Traces of Mark's blood are found on one. Joey killed Mark for being a quitter and never supporting his ideas.