Ex-NFL player Phillip Adams killed five in a mass shooting on Wednesday in Rock Hill, South Carolina
His agent said he was living with disappointment of having his NFL career cut short by injuries and was missing football
Former Cowboys player who trained with Adams said he would overwork himself with thrice-weekly strenuous exercise routines
The victims were named as Dr Robert Lesslie, 70; wife Barbara, 69; grandchildren Noah, 5, and Adah, 8
James Lewis, 38, an HVAC technician who worked at Lesslies property, was also killed
Lewis co-worker Robert Shook, a married dad-of-three, was shot multiple times but survived
Adams, 32, killed himself early Thursday with a .45 caliber gun; he was also in possession of a 9mm gun
Family of the four victims shot dead by ex-NFL player Phillip Adams release statement dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.
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