It was New Year's Eve 1997 in the Marlborough Sounds of New Zealand when 17-year-old Olivia Hope and 21-year-old Ben Smart enjoyed a long night of partying. When friends couldn't locate the pair the following day, they assumed the two may have gone off on their own. But after days without contact, it became evident that something was very wrong. Learn more about your ad choices. Visit podcastchoices.com/adchoices

In late 1978, four teens from Indiana were abducted from the Burger Chef restaurant where they worked—and murdered later that same night. The investigation into their deaths would turn up many suspects, but disappointingly few answers. Learn more about your ad choices. Visit podcastchoices.com/adchoices

On November 17th, 1978, four teens were working at the Burger Chef fast food restaurant in Speedway, Indiana. As they were closing up the restaurant, an unknown assailant abducted them at gunpoint. Their corpses would later be found in a forest the next town over. Learn more about your ad choices. Visit podcastchoices.com/adchoices

After a Washington D.C. intern disappeared in May 2001, her parents learned she was having a secret affair with a powerful politician. The case erupted into a nationwide scandal, but investigators were focused on all the wrong leads.  Learn more about your ad choices. Visit podcastchoices.com/adchoices

In the early morning hours of October 27th, 1961, 19-year-old student Betty Gail Brown went missing on her college campus. Her disappearance led to a campus wide-search, until she was eventually found in her car, strangled by her own bra. Learn more about your ad choices. Visit podcastchoices.com/adchoices

In 1560, scandal hits young Queen Elizabeth when the wife of her rumored paramour, Lord Robert Dudley, is found mysteriously dead from a fall. To this day, nobody can determine the true cause of her death. Learn more about your ad choices. Visit podcastchoices.com/adchoices

On the last Sunday of every month, Parcast Rewind replays a classic episode of Unsolved Murders that you might have missed! Josslyn Hay was a British aristocrat who moved with his wife, Lady Idina Sackville, to Africa. There, they were part of the “Happy Valley Set,” a group of wealthy expats who lived to drink alcohol, do drugs and have sex. So when Hay was found miles from his home, dead of a gunshot wound, virtually everybody in their social circle was a suspect. Learn more about your ad choices. Visit podcastchoices.com/adchoices

In 1560, young Queen Elizabeth I's relationship with Lord Robert Dudley had one complication: his wife. Rumors that the two were plotting to poison her came to an abrupt end—when she was discovered dead from a fall. Learn more about your ad choices. Visit podcastchoices.com/adchoices

In 1968, a state trooper found the brutalized body of a young school teacher named Irene Izak on the side of the road. The investigation into her death would be hampered by weather, timing, and incompetence. But things became truly dark when the only evidence seemed to point to the state trooper who had found her in the first place. Learn more about your ad choices. Visit podcastchoices.com/adchoices

On a lonely night in 1968, a young French teacher named Irene Izak was driving north, to Canada, for a job interview. The hopeful trip would take a turn for the worst, as her body was discovered the next morning—lying dead in a ditch. Learn more about your ad choices. Visit podcastchoices.com/adchoices