Three suspects have been charged with chaining four mentally disabled adults in a basement in Philadelphia and collecting their disability benefits.
Police found the victims after investigating reports of squatters.
The room was too low to stand up in, one victim was chained to a boiler, and the only food in the room was a container of orange juice, police said.
One suspect, Linda Ann Weston, previously served eight years in prison for starving a man to death in 1981.
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