File on murder suspect Xavier Johnson reads like 'horror show': Source

PHILADELPHIA -- A law enforcement source told ABC7's sister station WPVI the roughly 200-page Department of Human Services file related to accused murderer Xavier Johnson reads like a "horror show."

Johnson has been arrested for nearly a half dozen assaults and has a history of allegedly threatening the lives of residents and staff at facilities where he's been placed in the DHS system, the source said.

Johnson is accused of killing 20-year-old Jimmy Mao in late December while the two lived in a foster home in the 5800 block of Angora Terrace.

MORE: 17-year-old charged in murder of foster mom, man found in duffel bag
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Philadelphia police have announced charges against a teenage boy for the murders of both his foster mother and a man found dead inside a duffel bag.

He allegedly choked and stabbed Mao in his bedroom, then stuffed his body in a duffel bag and tossed it down a hill around the corner.

Sources say Johnson was immediately a suspect in Mao's death, yet DHS placed Johnson in the foster care of 64-year-old Renee Gilyard.

Police say three days later, Gilyard was dead and Johnson was on the run. Gilyard was also stabbed to death and investigators believe the motive was robbery.

On a conference call with reporters on Friday, DHS refused to answer why Johnson was placed in Gilyard's care, citing privacy laws.

DHS said it outsources foster placement to roughly 30 third-party agencies. The department says they are notified of the criminal history of juveniles and that information is supposed to be relayed to potential foster parents.

A law enforcement source who reviewed Johnson's DHS file says the juvenile should've been in a state secure facility.
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