Unsolved Mysteries - Episode Guide

The body of newlywed Rey Rivera was found in an abandoned conference room at Baltimore's historic Belvedere Hotel in May 2006, eight days after he mysteriously disappeared. While the Baltimore Police maintained that the 32-year-old committed suicide by jumping from the hotel's roof, the medical examiner declared Rey's death "unexplained." Many, including his devastated wife, Allison, suspect foul play.

Patrice Endres, 38, mysteriously vanished from her Cumming, Georgia, hair salon in broad daylight, during a 13-minute timeframe, leaving behind her teenage son, Pistol. Patrice's disappearance intensified the existing tensions between Pistol and his stepfather as they dealt with the loss and searched for answers.

In April 2011, French police discovered the wife and four children of Count Xavier Dupont de Ligonnès buried under the back porch of their home in Nantes. Xavier, the family patriarch, was not among the dead and nowhere to be found. Investigators gradually pieced together clues and a timeline that pointed to Xavier as a devious, pre-meditate killer. For instance, they now know that shortly before the crimes occurred, Xavier inherited a gun that was the same model as the murder weapon.

Alonzo Brooks, 23, never returned home from a party he attended with friends in the predominantly white town of La Cygne, Kansas. A month later, a search party led by his family locates Alonzo's body — in an area that law enforcement had already canvassed multiple times.

On September 1, 1969, many residents in Berkshire County, Massachusetts were traumatized by a sighting of a UFO. Eyewitnesses — many just children at the time — have spent their lives trying to convince the world that what they saw was real.

At age 17, a guilt-ridden Lena Chapin confessed to helping her mother dispose of her murdered stepfather's body four years prior. In 2012, Lena was issued a subpoena to testify against her mother in court, but the authorities were never able to deliver the summons — because Lena had disappeared, leaving behind a young son.

Police find the body of former White House aide Jack Wheeler in a landfill. Security footage captures strange events in the days leading up to his death.

After checking in at a luxury hotel with no ID or credit card, a woman dies from a gunshot. Years later, her identity — and her death — remain a mystery.

Given a furlough to go Christmas shopping in 1973, a convicted killer escapes. Police have come close to apprehending him but believe he's still at large.

A massive earthquake and tsunami devastated Japan in March 2011. Residents share stories of the spirits they encountered in the wake of the disaster.

On an icy night, police find JoAnn Romain's abandoned car and assume she drowned in a nearby lake by suicide. But her family suspects foul play.

In May and August 1989, two toddlers vanished from the same New York City park. A search turned up nothing — but their families haven't given up hope.

When talented 18-year-old volleyball star Tiffany Valiante was hit by a train on a remote, unlit stretch of tracks in Mays Landing, New Jersey, authorities quickly ruled her case a suicide. However, Tiffany's family and a team of pro bono experts believe she was murdered and her body, left on the tracks, to destroy the evidence.

On the night of March 8, 1994, hundreds of people called 911 to report strange lights hovering over Lake Michigan. Among the witnesses was Jack Bushong, a National Weather Service radar operator, who tracked the strange metallic objects on his radar equipment for hours. Now, 30 years later, Jack and others who witnessed the strange lights in the sky are ready to share the details of their life-changing experience.

When a beloved single father disappeared and was later found dead, there was only one suspect. The U.S. Marshals Task Force is on the hunt for his girlfriend who is now a fugitive from justice.

When "Buffalo Jim" Barrier, also known as "Las Vegas' Most Colorful Character", was pronounced dead in a local motel in 2008, authorities ruled his death a drug-related accident. But it was quickly revealed that Buffalo Jim was receiving anonymous threats and warnings that he had been targeted for a "hit". Barrier's four daughters are convinced their beloved father's death was not an accident - someone wanted him dead.

In 2000, Navajo Rangers Stan Milford and Jonathan Dover were tasked with investigating reports of paranormal activity that were taking place on the Navajo reservation. The now retired duo share their most intriguing encounters from a decade of service, including Bigfoot, UFOs, Skinwalkers and other unexplained phenomena.

In 2002, 20-year-old Joshua Guimond vanished after attending a party on the campus of St. John's University in Minnesota. Despite massive searches, no trace of Josh has ever been found. Law enforcement has remained baffled by Josh's mysterious disappearance until new evidence was recently discovered on his computer.

Patrick Lee Mullins, a well-loved school librarian and experienced boater, was found floating in a shallow area of Tampa Bay, carefully tied to his own anchor. Detectives quickly assumed he committed suicide, but Patrick's family believes that he encountered illegal activity during a boat outing and was killed and dumped in the Bay.

After moving into a new apartment in Chico, California, terrifying and unexplained encounters with a restless ghost traumatized single mother, Jodi Foster, and her young daughter. They soon learned that a young woman, Marie Elizabeth Spannhake, who was allegedly abducted and murdered, had previously lived in their apartment - Apartment 14 - four decades earlier, and her mysterious disappearance has yet to be solved.

Two different single parents were blindsided when their children were abducted by their non-custodial parent. They cannot and will not stop searching for their children, who could be anywhere in the world.