marlene protsman saw all this, too, same time as the deputies. but she could tell right away, as apparently they could not, that she'd been wrong on the 911 call. the man did not shoot himself. >> bryan had a cut on his nose. and the way his shirt was ripped and just the blood on the floor, it just -- >> reporter: it looked like a struggle? >> yeah. it wasn't a suicide. >> reporter: but the deputies went about their work as they saw fit. and thus, on sunday, july 14th, 1996, they clouded a mystery that has come down all the way to us. >> there were so many different theories, different suspects, and so much conflicting evidence, it was your classic whodunit. >> reporter: or perhaps your classic nightmare. >> i'd lay awake at night and ask god to give me some insight here. where do i go now? >> reporter: the victim, the man on the floor, was bryan rein, veterinarian. charlene and teresa's big brother. >> he was my brother. he was my best friend. he was my business partner. >> reporter: they grew up together in scott city, kansas. >> we shared bedr