A man accused of killing his roommate at the Clifton T. Perkins state psychiatric hospital in Jessup was indicted Nov. 9 by a grand jury.
Vitali Davydov, 24, has been charged with one count of first-degree murder, according to online court records. Davydov is accused of killing David Rico-Noyola, 22, in the hospital's maximum-security wing on Oct. 21.
Davydov pleaded guilty in 2007 to killing a Montgomery County psychologist in 2006 but was found to be not criminally responsible, according to The Washington Post. Rico-Noyola faced charges in the slaying of his mother three years ago in Anne Arundel County, according to the Baltimore Sun. He had been scheduled to appear in court in November for a competency hearing.
Rico-Noyola's death was one of three at the facility in three months, and one of two within the span of a week.
El Soundani Elwahhabi, 51, is awaiting trial on a charge of first-degree murder, accused of killing 45-year-old Susan Sachs in September 2010. Andre Mayo, 46, has been accused of killing Rogelion Mondragon, 40, on Oct. 27.