PICTURED: Sole survivor of mass shooting is an AC repairman who was 'wrapping up a job' at home of prominent doctor when he and a co-worker were shot by ex-NFL pro who then massacred physician's family
Former pro NFL player Phillip Adams suspected of carrying out mass shooting in Rock Hill, South Carolina, that killed five
Victims named as Dr Robert Lesslie, 70; wife Barbara, 69; grandchildren Noah,5, and Adah, 8; James Lewis, 38, who worked at Lesslies' property, was also killed
Lewis worked as HVAC technician, was single father of three and his parents' only child
Sixth person, Lewis' co-worker Robert Shook, a married dad-of-three, was shot multiple times but survived