Charles Wagenheim

Charles Wagenheim (February 21, 1896 – March 6, 1979) was an American actor who starred in over 250 films. 
Wagenheim appeared in Barnaby Jones, portraying a cemetery groundskeeper (named Charles Waggenheim); episode titled, "The Murdering Class"(03/04/1973). 
Wagenheim died on March 6, 1979 from blunt force trauma caused by his caregiver Stephanie Boone.
Wagenheim had thought that Miss Boone had been stealing from him and forging checks, when he confronted her in his apartment over this an argument ensued and she struck him on the head causing his death. An autopsy found that Wagenheim had died by way of blunt force trauma.
Boone was charged with the murder of Wagenheim and pleaded guilty to voluntary manslaughter, she was sentenced to serve eight years for his death.