. >> reporter: 53-year-old thomas murphy shot and killed himself back in 2015, his blood spilling on the phoenix va grounds. he read a note as well, which road in part, quote, "thanks for nothing va." >> i think that the have seen that here was a man who was extremely depressed. here was a man who was in a lot of pain, and they just didn't see and give him the help that he needed. >> reporter: a phoenix va whistle blower says nearly four-dozen veterans being treated at the phoenix va ultimately ended their own suffering this year. >> the phoenix va, probably in the last nine months, we have had about 45 vets commit suicide. they need help, and they are department of veterans affairs is not providing it. >> reporter: he was hired three years ago as a manager. he oversees more than 80 employees. last year, he reported issues to congressional investigators. >> since i have been keeping track and reporting this, i would say close to 2000 appointments, follow-up appointments throughout this year that i know of personally have been deleted. >> reporter: just last month, the office of the i