LEBANON, Pa.—A retired Pennsylvania pastor already facing trial in the death of his second wife has been charged with killing his first wife in 1999.

Arthur Burton "A.B." Schirmer ischarged with homicide in the death of Jewel Schirmer, his wife of more than 30 years.

Jewel Schirmer was initially thought to have fallen down a flight of stairs. Police and prosecutors in Lebanon County re-opened the case in 2010 after A.B. Schirmer was charged with killing his second wife in the Poconos and staging a car accident to cover it up.

Lebanon County District Attorney David Arnold announced the latest charges on Friday. Schirmer has not yet entered a plea in the death of Jewel Schirmer. He's pleaded innocent to charges he killed his second wife, Betty, in July 2008.