A grand jury indicted 45-year old Robert Hartle for the murders of 67-year old Hazel Stewart and 76-year old Vincent Reynolds. Hartle was already behind bars accused of murdering his girlfriend Samantha Mottler. “When he was charged with the murder of his girlfriend Samantha Mottler at that time they were able to develop some additional evidence that I felt gave us enough evident to go to a grand jury and seek an indictment," said Monroe County Assistant District Attorney Ken Hyland. Stewart and Reynolds bodies were found in their Jerold Street home after a fire on May 7, 2006. Police say the couple had been beaten and stabbed. They believe the fire was set to destroy evidence. On February 21 Samantha Mottler’s body was found inside a home on 201 Northland Avenue. Hartle was arrested and charged with her murder. Prosecutor Ken Hyland says although he doesn't believe the cases are directly related, investigators did gather enough evidence from Hartle to file an indictment in the Jerold Street murders According to court records Hartle worked as a handyman for he couple doing odd jobs. Investigators also talked with Hartle at the scene following the murder. He even gave his phone numbers to police to offer his assistance. Hartle has pleaded not guilty to killing Samantha Mottler. Hartle is a registered sex offender for an attempted rape convicted. He’s also spent 19 years behind bars for various offenses. He’s being held in the Monore County jail without bond.