They should probably also be charged with being too hopeless to survive without supervision.
According to the police, the two victims were sitting in a car in the 400 block of South Forest Avenue, near the University of Michigan Central Campus, when the two suspects robbed them of an undisclosed amount of cash around 6 p.m. Sunday.
Officers were able to follow footprints in the snow to a residence, where the two suspects were arrested. They are charged with armed robbery and various firearms offenses.
Full article (which is not much longer than my excerpt) here.