Marco Holmes, who is charged in the death of his girlfriend Tonja Chadwick, was assaulted in his cell at Central Booking on Thursday morning, state prison officials confirmed.

Chadwick, 20, went missing late last month, and her body was later found in a park in Southwest Baltimore. City police named Holmes, 22, as a person of interest, and he was later found and charged with first-degree murder in her death.

Police are also looking for information about the missing woman’s boyfriend, Marco Jamal Holmes, 22. The department said investigators are concerned about his well-being and want to question him about Chadwick’s disappearance.

Police are also looking for information about the missing woman’s boyfriend, Marco Jamal Holmes, 22. The department said investigators are concerned about his well-being and want to question him about Chadwick’s disappearance.

Gerard Shields, a spokesman for the Department of Public Safety and Correctional Services, said Holmes was treated by in-house medical staff for superficial stab wounds to the head and hands. He said the assault was reported at about 8 a.m. Thursday.

Holmes did not identify a suspect and declined to give a statement, Shields said. He remains housed at Central Booking and Shields said an investigation into the incident was continuing.

jfenton@baltsun.com

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Friends and family gather for a vigil for Tonja Chadwick. (Kenneth K. Lam, Baltimore Sun video)

Friends and family gather for a vigil for Tonja Chadwick. (Kenneth K. Lam, Baltimore Sun video)

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