But Sellers says the ego-grinding nature of street life affects all homeless people, eventually leading to some form of mental illness.

Fabre likes to keep his business in the family. Ex-wife Pamela Waller ran the Houston clinics after the office manager was driven out in a storm of claims and counterclaims that involved an $85,000 legal dispute with Fabre. Though her case was dismissed in July 1999, the former manager accused the doctor of failing to honor maternity leave and severance agreements.

Former wives also worked his clinical trials, Mosher says.

"You would have people that would give honest results and the drug would start looking bad, so he'd fire them and put his wife in there doing the readings even though she wasn't medical personnel," he says.

Fabre's partnership with awhy her last living relative is no longer, she looks back thoughtfully to those early decisions made by a marine she says was still shocked by the horrors of war.

"The choices he made when he was young affected the rest of his life. I mean, like, we couldn't even visit like a normal family, I mean, like normal families do. So It's just, uh, I guess just one of them things. I mean, I might not have saw him for years, but, you know, that don't mean it didn't hurt any less."

But if there were any horrors haunting Polsgrove, they weren't Vietnamese in nature, according to a spokesman for the U.S. National Archives and Records Administration. Per his military records, Polsgrove spent his entire five-year service period stationed