Victims of Antone Costa

on March 18, 2010 in Serial Killers, Victimology by

Antone Costa was charged for the murders of two people, but is suspected in the murders of an additional five victims. We currently have information on all of his known and suspected victims.

Bonnie Williams

Bonnie went missing with her friend, Diane Federoff, in June of 1966. Costa was not convicted for this murder.

Diane Federoff

Diane went missing with her friend, Bonnie Williams,  in June of 1966. Costa was not found guilty for this murder.

Barbara Spaulding 

Barbara went missing sometime in 1968. Her remains were never discovered. Costa was not found guilty for this murder.

Sydney Monson 

Sydney disappears from her home on May 24, 1968. Her remains were discovered on March 4, 1969 with the remains of Particia Walsh and Mary Anne Wysocki. She had been shot to death, her heart had been removed and there were signs of sexual abuse to the body postmortem. Costa was not found guilty for this murder.

Susan Perry 

Susan disappeared on September 10, 1968. Her remains were found on March 2, 1969. Costa was not found guilty for this murder.

Patricia Walsh

Patricia disappeared with her friend, Mary Anne Wysocki, on January 24, 1969. Her remains were found on March 4, 1969 with the remains of Sydney Monson and Mary Anne Wysocki. She had been shot to death, her heart had been removed and there were signs of sexual abuse to the body postmortem. Costa was found guilty for this murder.

Mary Anne Wysocki

Mary Anne disappeared with her friend, Patricia Walsh, on January 24, 1969. Her remains were found on March 4, 1969 with the remains of Sydney Monson and Patricia Walsh. She had been shot to death, her heart had been removed and there were signs of sexual abuse to the body postmortem. Costa was found guilty for this murder.

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