A Harford County Detention Center inmate was found dead in his cell Thursday night, according to the .
Michael Ray Malpass, a past resident of Cecil County, was found unresponsive in his cell as a correctional officer made a routine tour at approximately 11 p.m.
Officers attempted to revive Malpass before Harford County volunteer EMS personnel transported him to the . He was pronounced dead in the hospital about an hour later.
Malpass was housed separately from other inmates because he was detoxing from heroin use, according to the sheriff's office. There were no signs of foul play in the death.
Malpass, 26, had been held without bond at the detention since Nov. 18. He was awaiting trial for accusations of armed robbery and first- and second-degree assault in connection with five armed robberies in Maryland earlier this month. One of the alleged robberies was at an Exxon in Aberdeen.