A Maryland prison inmate is accused of killing another prisoner, authorities said. Robert Warren, 28, was pronounced dead in his cell at the North Branch Correctional Institution in Cumberland, Md., on Monday, Nov. 25, according to a press release from Maryland State Police.

BALTIMORE -- An inmate was murdered in his Maryland prison cell, according to the Maryland State Police. Robert Warren,

Maryland State Police have identified the inmate found dead at the North Branch Correctional Institution in Cumberland earlier this week as 28-year-old Robert Warren, officials said. Warren was discovered unresponsive in his cell on Monday,