Police say Thomas may have begun killing as far back as April 2 . John Thomas Jr. arrested 1955 and is charged with killing dozens women . Those detectives had sent the biological evidence from the Sokoloff case to a state lab in 2002 as part of their review of about 6,000 unsolved murders in Los Angeles that happened between 1960 and 1996 . 72-year-old could be linked to dozens of other killings and assaults .
Police say Thomas may have begun killing as far back as April 2 . John Thomas Jr. arrested 1955 and is charged with killing dozens women . 72-year-old could be linked to dozens of other killings and assaults .