Adam Dimmerman appeared in a Van Nuys courtroom Monday for his arraignment but has yet to enter a plea.
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Dimmerman is accused of killing Youssef Mahboubianfard, who was found beaten and cut in his garage last week.
Home surveillance video shows a man who appears to be Dimmerman in the neighborhood. The suspect is also accused of assaulting a worker in the area. Police also recovered an axe and knife.
They say there is no connection between Dimmerman and the victims.
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Dimmerman has been charged with murder, attempted murder and assault with a deadly weapon.