20-year old Bear Diaz has diabetes, leaving him weak and vulnerable. When he vanishes in the night with his TV, backpack and cash, investigators must consider foul play. Then Skylar Tosic disappears, leaving people wondering if the cases are linked.

Kortne Stouffer, 21, vanishes from her bed one night following a couple of scuffles with neighbors and friends. Investigators pursue various leads, but the young beauty is nowhere to be found, and her family clings to an endless hope.

When Macin Smith, 17, doesn't come home from school, his parents worry is he in danger? A note hidden in his wallet leaves his family troubled. And police attempt to piece together the puzzle, while his family vacillates between hope and despair.

A Bible-teaching mom takes a midnight walk and never comes home. But a mysterious note suggests frightening possibilities.

When recent college graduate Jennifer Kesse doesn't show up for work, her friends and family know something is wrong. Their worst fears are realized after her car is found empty and abandoned a mile from her apartment. Police immediately investigate the dozens of construction workers who are building Kesse's apartment complex at that time, however no clear suspect emerges. Almost a decade later, this mysterious case continues to baffle law enforcement and haunt her family.

Former Harlem Globetrotter Rico Harris is driving from LA to Seattle to move in with his fiancée, Jennifer Song. The 37-year old is in constant contact with Song and his mother from the road but, after he mentions a detour into the mountains, all communication ceases.

Brian Histand, a 25-year-old BMX rider, was last seen wandering a field in southern Phoenix. As family and friends search, they learn of Brian's disconcerting behavior in his final days. Have Brian's risky bike moves led to his state of confusion?

60-year-old stonemason, David Riemens, has one final meeting before driving to visit family. He never returns home, and his truck is found abandoned. Desperate to find him, investigators look for clues, but David has vanished into thin air.

37-year-old nurse Tammy Kingery, suffers a mysterious illness and is bed-ridden at home. One day, when her husband and children leave to run errands, they return to discover that Kingery has disappeared. The investigation will reveal dark secrets that lead to all kinds of theories about what happened to Tammy.

When 19-year-old college student Bryce Laspisa heads south to visit his parents in Orange County, CA, what should've been a quick five-hour drive down the freeway turns into a 20-hour expedition. Laspisa is in constant contact with his parents from the road, but he's behaving mysteriously. When his car is found crashed and abandoned in a remote desert park, investigators begin a desperate search for clues into Laspisa’s disappearance.

25-year-old artist Tiffany Daniels is a spontaneous free spirit, but when she doesn't return home from work for days, her brand new roommate grows alarmed. When her car is found abandoned in a beachside parking lot, it’s a desperate race against the clock for any sign of Tiffany.

Jessica Heeringa works the night shift at a gas station to help support her 3-year-old son and fiancé. One evening a customer arrives to find the store empty and the cash drawer left open, investigators find themselves in a race against time to locate the missing 25-year-old mom.

More mysteries are revealed in Kelly's disappearance when video footage of him at a gas station, hours before he disappeared, show him as his normal happy self.

Lauryn Garrett's parents talk about what kind of person she is as well as how her disappearance affected them.

Charli Scott was last seen on a treacherous road, her friends and family fear there's been an accident. But as pieces of evidence surface, the mystery heightens.

Investigator Gary Micco travels with Charli's step-father to check out the site where Chari's burnt out car is located, and all the clues don't seem to be adding up to finding Charli.

On Feb 9, Charli Scott, a 27-year-old pregnant woman vanishes in Maui. Her stunned family and community ban together to look for her.

Investigator Gary Micco talks about why he started helping families find their missing loved ones.

Charli Scott was last seen on a treacherous road, her friends and family fear there's been an accident. But as pieces of evidence surface, the mystery heightens.

A Bible-teaching mom takes a midnight walk and never comes home. But a mysterious note suggests frightening possibilities.

Lee Cutler is a universally loved high school senior who disappears after dropping off his best friend on a cool autumn morning.

More mysteries are revealed in Kelly's disappearance when video footage of him at a gas station, hours before he disappeared, show him as his normal happy self.

Jessica Heeringa works the night shift at a gas station to help support her 3-year-old son and fiancé. One evening a customer arrives to find the store empty and the cash drawer left open, investigators find themselves in a race against time to locate the missing 25-year-old mom.

Lauryn Garrett's parents talk about what kind of person she is as well as how her disappearance affected them.

Maura Murray goes missing after her car swerves off a dark and windy road over 140 miles away from her dorm. Years later, her family refuses to give up their seach.

25-year-old artist Tiffany Daniels is a spontaneous free spirit, but when she doesn't return home from work for days, her brand new roommate grows alarmed. When her car is found abandoned in a beachside parking lot, it’s a desperate race against the clock for any sign of Tiffany.

When Macin Smith, 17, doesn't come home from school, his parents worry is he in danger? A note hidden in his wallet leaves his family troubled. And police attempt to piece together the puzzle, while his family vacillates between hope and despair.

Kortne Stouffer, 21, vanishes from her bed one night following a couple of scuffles with neighbors and friends. Investigators pursue various leads, but the young beauty is nowhere to be found, and her family clings to an endless hope.

When 19-year-old college student Bryce Laspisa heads south to visit his parents in Orange County, CA, what should've been a quick five-hour drive down the freeway turns into a 20-hour expedition. Laspisa is in constant contact with his parents from the road, but he's behaving mysteriously. When his car is found crashed and abandoned in a remote desert park, investigators begin a desperate search for clues into Laspisa’s disappearance.

37-year-old nurse Tammy Kingery, suffers a mysterious illness and is bed-ridden at home. One day, when her husband and children leave to run errands, they return to discover that Kingery has disappeared. The investigation will reveal dark secrets that lead to all kinds of theories about what happened to Tammy.

Billy Smolinski is a hard working tough guy who suddenly disappears a week after discovering that his girlfriend is cheating on him.

20-year old Bear Diaz has diabetes, leaving him weak and vulnerable. When he vanishes in the night with his TV, backpack and cash, investigators must consider foul play. Then Skylar Tosic disappears, leaving people wondering if the cases are linked.