was smarter than everybody else. and he thought he could manipulate ann haynes. he thought he could manipulate investigators, and he believed he was getting away with it up next a married man falls victim to temptation. >> she offered him a wild side that she hadn't experienced. >> he was there one minute and gone the next. >> for 20 years the disappearance goes unsolved. >> i kept the hope that maybe he would show up on my doorstep. >> until a tiny chip of paint turns up a terrifying ordeal. >> the copper mine outside salt lake city utah is known as the

richest hole on earth and copper isn't the only valuable mineral. >> they mine gold and silver. they have very expensive equipment, that sort of thing that. >> theft is a big problem out there. >> as a result, security is tight. >> you don't go on the property without usually encountering security. >> when the security guard wasn't on duty in a guard shack on a winter night in 1991, it was unusual. >> they went up and figured he might be in the restroom and checked it out. and his lunch was partly eaten and his hard hat was still there. >> the guard, bryan ruff was not supposed to leave the shack for any reason until the shift change at 11:00. >> it was a strange incident where he was there one minute and gone the next and there was no real explanation of why he was gone.

>> snow had fallen just a few hours earlier. but there were no footprints around the shack. bryan's car was parked in a nearby lot and there were no footprints near his car. >> it looked like he stepped out the door and vanished. >> inside the shack. >> 21-year-old bryan ruff and his wife jennifer had been married two and a half years and had a 15-month-old baby. this wasn't the first time that bryan went missing. just a few weeks earlier, bryan walked off his job and ran away to las vegas. >> he felt a big burden to provide for us. especially with a second baby coming. he felt that burden. i know that finances worried him a lot.

he felt bad we had to move in with my parents at the time. >> bryan spent six days in las vegas. when he returned he was a changed man and not for the better. >> he was very cold and distant, a side i have never seen before. he was very cold, bitter about certain things, finances, things like that and just -- just angry. >> as investigators searched the guard shack for clues, the phone rang. the caller said she was bryan's wife jennifer. >> she was surprised when somebody else answered the phone when bryan didn't answer. they told her that time they were the police and looking for bryan. she did tell them she had been talking to him around 6:30. he had told her that there's another employee coming is how he termed it and he just had to go.

>> as soon as police got off the phone with jennifer, the phone rang again. >> the deputy again answered the phone call, knew it was a different female voice and the caller told the deputy that her name was jennifer ruff. somebody was claiming that they were bryan's wife that really wasn't. >> a missing man, with two wives. police knew right away, it was going to be an unusual investigation. [ male announcer ] identity theft ... it's one of the fastest growing crimes in america. in fact, there's a new victim of identity theft every...three...seconds. so you have to ask yourself, am i next? one weak password could be all it takes. or trusting someone you shouldn't. over 100 million consumers had their personal information stolen in recent retail store and online security breaches. you think simply checking last month's credit score

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shortly after bryan's disappearance from his security guard, two women called the work phone asking to speak to him. each of them identified themselves as his wife. the contain's caller id system revealed one of the callers was, indeed, bryan's wife, jennifer. the other was 20-year-old kristi bradley, married to dale bradley married to a security guard at the kennecott mine and one of bryan ruff's co-workers. >> so that's when they send someone over to kristi's house to find out what was going on.

>> kristi told police she and bryan had become friends and talked regularly on the phone. >> dale would have kristi bring dinner out to him and that's how bryan and kristi met is actually out at the job site when she would bring meals out to him. >> when questioned about bryan's disappearance, kristi said she was home all day and hadn't seen him. dale said he had been off from work and running errands all day. >> dale bradley said he was at the university of utah and when his car broke down he called bill easton who was down at a local bar down here. >> five days after bryan disappeared, his wife, jennifer, discovered a potential clue. >> there were credit card bills that i had never seen before. we had not applied for them together. and also a phone bill. >> jennifer discovered that bryan was having an affair with

kristi bradley. >> it was a double whammy to have him missing and then to be hit with such horrifying news that everything had been shattered my whole life had been shattered, everything i had dreamed and hoped for was gone. >> jennifer also discovered that kristi was with bryan in las vegas a few weeks earlier. when confronted with this information, kristi admitted the affair to both the police and her husband. >> she told me she thought bryan was really nice and she thought he was cute. dale was really controlling to her and kristi didn't like to be tied down. kristi and bryan were able to talk to each other. that's, i think, the reason for the phone calls to the guard shack between kristi and bryan. dale insisted he knew nothing about his wife's affair when bryan disappeared. dale had no criminal history but the affair gave him a motive to harm bryan, so investigators got

a search warrant for his car. it was checked for blood and gunshot residue. >> none of which we found. we didn't find anything. >> in addition, dale and kristi bradley agreed to take polygraph tests and they both passed. >> at that point, they kind of dropped his name from the list of suspects. >> meanwhile, investigators pursued another potential lead. two of bryan's fellow security guards had been arrested for stealing from the mine. >> they were arrested for stealing metals off of kennecott property and pawning them in junk metal shops, you know, for junk metal. >> one of those guards was at the guard shack minutes after bryan was reported missing. >> bryan was one of those at the guard shack who reported some of these thefts going on. >> but without bryan ruff's

body, police had no proof he was dead. officially, he was still a missing person. i dbefore i dosearch any projects on my home. i love my contractor, and i am so thankful to angie's list for bringing us together. find out why more than two million members count on angie's list. angie's list -- reviews you can trust. narrator: these are the skater kid: whoa narrator: that got torture tested by teenagers and cried out for help. from the surprised designers. who came to the rescue with a brilliant fix male designer: i love it narrator: which created thousands of new customers for the tennis shoes that got torture tested by teenagers. the internet of everything is changing manufacturing. is your network ready?

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they were stealing gloves, shovels, you know, just any kind of equipment you would find around a mine. >> police wondered if bryan might have stumbled on a robbery in progress. >> so a theory came up that maybe these guys were stealing metals off of the property that night, bryan had stopped them and they had killed him to cover up the theft. >> but none of the other security guards could be linked to bryan's disappearance. >> he basically was completely alone up there in the mountain, and it really concerned him that it was an unsafe area, that there were no cameras, no electric gates, no security systems like they had in the other gates. >> weeks, and then months, passed with absolutely no sign of bryan ruff. >> it was an overwhelming fear. when i would be driving to work or driving to the store, it was a constant cloud over me of fear that somebody could just disappear and never come back.

>> bryan's wife, jennifer, was forced to raise their little girl alone. six months after bryan went missing, she gave birth to another daughter. >> i just couldn't move on. i was stuck in that realm of grief until i knew what had happened to him. >> one year later, hikers discovered human remains in a camping area about 50 miles from the kennecott mine. >> at first, i just thought it was just rocks and then i thought maybe it was a dead guy. >> he still had his security outfit on, his wallet and everything intact. >> that's him. bryan patrick ruff. >> i got a phone call from the detectives and i asked them, i said, is it bryan? he said, yeah, it's bryan. and that's when my world fell apart. >> dental records confirmed the victim was bryan ruff.

an autopsy showed he had been shot five times in the back. >> i thought that somehow he had gotten in the middle of something illegal and they killed him for that. >> search teams found five spent shells from a .22-caliber pistol near the body. investigators believe bryan was shot just a few feet from where he was buried in a shallow grave. >> the next day, they're out there working again, and one of the dogs from the k-9 unit recovers a boot, a black cowboy boot, that was identified as bryan's work boot. that was recovered about 200 feet east of the grave site. never did find a second boot. >> but so much time had passed and so much rain and snow had fallen that no other clues were

found at the scene. >> it's really frustrating. there is no other way to put it. >> with no evidence to tie anyone to the crime, the case went cold and the years passed. until 14 years later, when todd park, a cold case detective with the salt lake county sheriff's office, received a telephone call from authorities in neighboring carbon county. >> when that call came in, it gave me, i guess, a fresh breath of air to look at another case and to -- to really dig into it. >> police in carbon county were investigating dale bradley on the suspicion of murdering his second wife, crystal. dale had been a suspect in bryan ruff's murder 14 years earlier. on a hunch, todd park contacted dale's first wife, kristi, who was now living in texas.

>> so when detective park contacted her 14 years after the fact, she was surprised that the case hadn't been solved because dale told her somebody else had already been arrested for it and she just assumed that the case was done. >> but that obviously was a lie. and kristi told police something she hadn't mentioned during the original investigation. she said the day after bryan went missing, dale cleaned the inside of his car. >> he had never cleaned out that trunk as long as she had known him, as long as he had owned that camaro. >> why would dale do this? police wondered if bryan ruff had been inside that trunk. >> was there blood? was he shot in the car and wrapped in a blanket and looking for trace evidence, looking for blood in the car? >> but after 14 years, could police find dale bradley's camaro? every day, people fall.

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14 years after bryan ruff's murder, investigators never lost hope they would solve the case. >> the thing about bryan, he was a very good kid, and i think he would have been able to really make something of his life and his family if he was able to continue on in life. and that was cut short. >> when investigators heard that

their original suspect, dale bradley, was now a suspect in yet another murder investigation, they decided to look once again at the evidence. and this time, on bryan ruff's boot, the one they found in the mountains near his burial site, they spotted something, some kind of scuff mark on the bottom of the boot that looked like reddish orange paint. >> when i saw that swatch of paint, it just flashed back to me that that was the same color of paint on dale bradley's car. and i got excited and i kind of got a little bit of butterflies and i thought, i got him. >> forensic scientist bill schneck examined this paint with a stereomicroscope. >> and i noticed it was a smear, it wasn't like paint chips on the boot, it was smeared into the leather on the bottom of the boot. there was tremendous force to get that paint smear on his boot.

>> was it the kind of force caused by trying to kick your way out of the trunk of a car, for example? bill schneck needed to know if the makers of dale bradley's camaro had painted the inside of the trunk. luckily, he had a friend who restored old cars. >> he just happened to have a '75 camaro when i was there. so they popped the trunk, and indeed, they had original paint in the trunk. that was useful. >> dale bradley drove a 1974 camaro at the time of bryan's murder. the mission now was to find it. >> they, through a lot of investigation, found that the car had been sold. >> unfortunately, two years after bryan's murder, the new owner sold the car for scrap metal. >> it's in little cubes. it's been melted down. >> but an examination of the case file revealed a surprise. 14 years earlier, an alert detective had taken paint samples from dale's car. >> i just took him -- because

there wasn't really much else to take. >> bill schneck took paint samples from the boot and the car and placed them on slides with an immersion liquid. this eliminated any air trapped between the sample and the slide. using a polarizing light microscope magnified up to 1,000 times, schneck saw the paint was a lead chromate paint. >> and i contacted the national institute of science and technology and received a paint chip known standard on a '74 camaro. >> using a scanning electron microscope, schneck now did a three-way comparison. he examined paint from the boot, from the car, and from the file sample of a 1974 camaro. all were identical. and with this evidence, dale bradley was arrested and charged with bryan ruff's murder.

>> it was shocking that anybody could do something so horrific, let alone somebody that claimed to be a good friend. >> prosecutors believe dale either knew or strongly suspected bryan ruff was having an affair with his wife, kristi, and was afraid she was going to leave him. >> i think that he was so angry that kristi and bryan betrayed him that he was going to make him pay. >> the forensic evidence suggests dale's plan was to eliminate the person he perceived to be his competition. since he knew bryan's hours and when there would be the least amount of traffic, he knew exactly when to strike. dale probably forced bryan into the trunk at gunpoint. bryan tried to kick his way out

of the trunk during the 30-minute drive when a piece of the paint became embedded in his boot. when dale got to the burial spot, prosecutors think he ordered bryan to remove his boots so he couldn't run away. he then forced him over to a shallow grave, which prosecutors think he dug earlier that day. then shot him with a .22-caliber pistol. the murder weapon was never recovered. >> it was so typical of dale's personality to be a coward enough to shoot somebody in the back and not face him when he was going to take his life. >> the paint and circumstantial evidence were difficult for dale bradley to refute. he agreed to plead guilty to second-degree manslaughter and

kidnapping and was sentenced to 40 years in prison. what bradley didn't realize was that bryan's boot held an important piece of evidence that told a story. dale bradley remains a suspect in the murder of his second wife. it's ironic, in a way, that bryan ruff's desperate efforts in the trunk of dale's car resulted in the capture of his own killer. >> just one little thing, that's all it takes. in this case, it turned out to be the paint samples, coupled with all the circumstantial evidence in this case and the physical evidence that you have. that was just a clincher in this case. >> even today, though, there's a lot of detectives just focusing so much on dna, they're forgetting all of the other avenues that could be approached with trace evidence such as paint examination. >> i hope it sends a loud message to people that there are people willing to continue

looking at these cases that you're not going to get away with murder. and that the more they try to cover up some of their tracks, the more tracks they leave. up next, three college students are murdered. it looks as if one person had killed them all. >> he picked on young women, picked on pretty women. >> police immediately have a suspect. >> in law enforcement terms, it's almost like winning the lottery. >> but not everyone was convinced he was the one. >> if he's going to brag about three, why not four? >> he mentioned all the other cases, but never mentioned susan schumake. >> for 20 years, questions remained, until decades-old evidence reveals the terrible truth. >> it's a horrifying thing to think that there's more than one monster in your community at one time.