On the morning of August 27th 1992, Vickie Felton left for work, leaving her 13 year old daughter Leigh home alone for the first time. There was a tornado warning that morning, and when by 8.30am Leigh wasn't answering the phone, Vickie rushed home - only when she arrived, Leigh was gone and has never been seen since. What happened to Leigh Occhi?

In 2009, Paula Hounslea told her daughter she was going to visit a friend. She told the friend she was going away for a few days. And then she never came home. 3 years later, her remains would be found in a fire pit by an abandoned railway. What happened to Paula?

Today we’re going to explore a historic case that changed the course of criminal investigations forever: the first-ever case solved by DNA fingerprinting. This groundbreaking technique was used to catch Colin Pitchfork, a man responsible for the brutal murders of two young girls, Lynda Mann and Dawn Ashworth, in the 1980s. What started as a complex investigation, with dead end after dead end, took a revolutionary turn when DNA evidence exposed the killer in a way that had never been done before.

Every few months I like to take a look back over the cases I've covered in the past and share any new updates with you... and today I have a LOT of very interesting things to share, with updates in the cases of the Menendez brothers, Asha Degree, Sandy Irvine, Julie Doe, the Bear Brook Jane Doe and much more.

One night in September 1973, 18 year old Peter Reilly returned home to find his mother dead on their bedroom floor, brutally murdered. He called the police and within just minutes, became was their one and only suspect. After a long night and day, Peter eventually confessed to Barbara's murder... but did he do it?

In 1900, a reform school opened up in Mariana, Florida, with the intention of helping wayward boys go on to become productive members of society. What happened instead was of pain, abuse and suffering for the children forced to attend. 

In 1959, 16 year old Mary Flanagan waved bye to her family as she headed to work and then to her work's annual New Year's Eve party. But little did her parents know that Mary hadn't actually gone to work for two weeks, and she likely had no intentions of going to the party. And then she never came home. Where is Mary?-0

Siblings Chloie and Daniel were living with their grandparents in Unionville, Tennessee, when a fire broke out on 23rd September 2012. The bodies of their grandparents and pets were all found in the ashes, but there's never been any sign of Chloie or Daniel.

In 1964, 15 year old Reed Jeppson got back from a morning at church and went out to feed his beloved dogs in their backyard kennel whilst his sister prepped lunch for the family. She warned him not to take too long, that food would be ready soon... but he never came back. Both Reed and both of his dogs seemingly disappeared off the face of the earth, with no clue as to their whereabouts.

On April 19th 1953, Ron Tammen came back to his dorm room at Miami University, Ohio, to discover a dead fish in his bed. Assuming it was a prank by a peer, he went to change his bedsheets and got back to his studying. And then, he just disappeared. What happened to Ron Tammen?

Today we're taking a look at some of the craziest cults the world has ever seen, including a cult in which a man worshipped coconuts... and convinced others to do the same. 

In 1992, Rachel Nickell was out for a walk with her dog and 2 year old son on Wimbledon Common in London, when a man came out of the blue and stabbed her to death. She was found with her son by her side, holding her hand. What followed was a shambles of an investigation by the Met Police, in which they decided to focus all their efforts on one (innocent) man, as the true perpetrator went on to kill others.

From the late 1970s through to the early 90s, there were a number of of victims, all young women, who disappeared along the same highway, running through Oregon in the US. It was highway 20, connecting the whole state, from west to east and running through the Cascade Mountains. It runs through cities and some of the most remote areas of the state; there are plenty of areas in which someone could run into trouble. Several stretches of the highway runs through thick, thick forest, so heavily...

This week we're covering the cases of two Jane Does, both of whom are currently in the process of forensic genetic testing, but there's something standing in the way: it seems neither of them are from the country in which they were found, which complicates things somewhat. Who are the Bowmanville Jane Doe and Kilgore Jane Doe?

On New Years Day 1963, two teenagers come across a man lying face down next to the Lane Cover River in Sydney, Australia. At first they assume he's drunk but soon realise that's not the case. Police later find a second body, that of a woman, located just metres away, but an autopsy was unable to find a cause of death for either... all they know, is that they died from the same, mysterious cause.

In June 1980, 56 year old Zigmund Adamski left his home on home to go and grab some food shopping, and then he never came home - his body would later be found under baffling circumstances, that to this day, no one has ever been able to make sense of. The strange, strange situation around Zigmund’s death has led to countless theories over the years, none of which quite make sense but there is one theory that people seem to focus on more than the rest: alien abduction. 

In September 1890, French inventor Louis Le Prince was supposed to be travelling back to New York City to see his family for the first time in three years after finally completing his invention: the motion picture camera. His brother waved goodbye as he dropped Louis off at Dijon train station, to travel to Paris and begin his long journey home. But somewhere along the way, Louis disappeared, never to be seen again.

In December 1996, 12 year old Celina Mays went off to bed and was never seen again, her younger sister finding her bed stuffed with pillows the next day. But Celina wasn't like your regular 12 year old: she was 9 months pregnant and living in a cult-like church, under the thumb of her aunt. Did Celina run away, or did something darker happen?

In 1974, a decapitated body is found hidden underneath a plastic sheet on a quiet county road in Cockley Cley, Norfolk. Despite a massive investigation, there have been few leads over the years and the Norfolk Headless Doe remains unidentified. Who was she?

In 2010, Lori Erica Ruff ended her own life, leaving her husband to clear through all her belongings. And in doing so, he found out that his wife was not who she claimed to be... but who was she? What was she running from?

In 1966, three people, Vernon Shipman, Charles Glass and Louise Shumate were found dead in a clearing in Henderson County, North Carolina. Vernon and Charles were close friends, but Louise had no known connection to the pair... so why had they spent that afternoon all driving around in a car together? Why were they murdered?

What would you do one day if you woke up dead? You're walking, talking, but you're dead: your brain and skin and organs no longer belong to you. Well, for those with Cotard's Syndrome, that is a terrifying reality.

In August 1995, 23 year old Heather Teague went sunbathing on Newburgh beach in Henderson County, Kentucky. Then someone emerged from the woodland behind, pulled her up by her hair and threatened her with a gun, forcing her back into the trees. And wildly, this was all witnessed by a man and his telescope 25km away, in a different state.

In 2003, workers prepping a building for demolition in Midtown Manhattan, New York City, discovered a body encased in concrete in the basement. After 21 years, the girl was identified at Patricia McGlone, but now the search is on for who killed her.