A Sunday school teacher is shot through her kitchen window; evidence and anonymous handwritten letters lead police in the wrong direction.
A mother is killed in her bedroom, and her teenage daughter confesses to the crime.
24-year-old Vietnamese-American Thien Minh Ly is found stabbed on the Tustin High School tennis courts. There is almost no evidence, and the case runs cold. Until detectives catch wind of a letter revealing the shocking truth.
27-year-old Jarrod Davidson is shot dead outside his apartment in Santa Barbara, California. Next to him is a suspicious potted plant. He was in the middle of a nasty custody dispute but the DNA doesn’t match his ex-wife. So who killed him?
A millionaire is shot to death in his mansion; it takes detectives 15 years to break the case.
A 31-year-old woman named Julie Keown dies of antifreeze poisoning in Waltham, Massachusetts. Detectives rule out suicide and accidental ingestion. Then, after untangling a web of lies, they turn to her husband, James, a popular radio host.
When a woman finds her daughter strangled to death in their Staten Island, N.Y., home, computer technicians uncover a dangerous online dating habit, but the real killer lies much closer to home.
When a single mother is stabbed to death in her home in Cape Cod, Mass., the numerous suspects include her child's father, his wife and her eccentric father's young girlfriend.
In Bronx, N.Y., police investigate the murder of 20-year-old Kimberly Antonakos who was set ablaze while still alive.
When a businessman is shot to death outside his Bronx office, police must determine whether he arranged the hit to provide for his family or whether his wife killed him for the insurance money.
A Milwaukee mother is murdered in 1981. Her sons describe a masked man with a ponytail fleeing the home. Was it her bitter cop ex-husband? Or a neighbor who claims his gun was stolen? Police make a shocking arrest, but some have doubts to this day.
An Exxon oil executive goes missing in front of his New Jersey home. Police fear a medical emergency until a ransom note arrives from an eco-terrorist organization. As the case stretches on, the kidnappers' behavior grows more and more baffling.
In Gulfport, Fla., Detective Larry Tosi investigates the stabbing death of Karen Gregory; after he enlists the help of his firefighter friend, George Lewis, the case takes a shocking turn.
The case of former Marine Kevin Green, who was convicted in 1980 of a vicious 1979 assault on his wife that took the life of their unborn daughter. He was exonerated in 1996, however, when DNA evidence linked another man to the attack.
A maid finds a woman dead in Room 305 of an Oregon hotel. Her grieving husband reveals an open relationship- was an affair to blame? Or had this Ivy League grad fallen into a life of drugs? Then a prostitute comes forward with a shocking revelation.
An Orlando mother goes missing fifteen years after her abusive husband left for good. Did he return for revenge? Did she flee from the law after collecting his social security all these years? Do her grieving children know more than they're saying?
Miami businessman Henry Diaz goes missing the night before a family vacation. His business success has earned him many enemies... even within his own family. But before police can figure out who killed Henry Diaz, they'll need to find his body. Follows detectives as they try to track down the whereabouts of the Miami grocery store owner.
Middle-aged couple Carmen Quinones and Ruben Frederick are brutally stabbed to death in their East Harlem apartment next to $16,000 in cash. Were they murdered for their money, or something far more personal?
On Long Island, a man pulls into a gas station claiming his wife has been shot dead by a motorist on the highway, but he's foggy on the details.
Two dancers are strangled in their West Harlem apartment, leading police from place to place in New York City, where dreams of fame and stardom can drive young people to desperate measures and devour them along the way.
Twenty-seven-year-old mother Dana Satterfield is found raped and strangled in her South Carolina hair salon.
A freak car accident brings a Belgian honeymoon to a tragic end, and the investigation leads police down a rabbit hole and culminates in an international manhunt for a killer.
Diane Girts is found dead in the bathtub of her home adjoining her husband's funeral home, and investigators cannot determine exactly how she died; as the case unfolds, detectives uncover troubling clues pointing to a cunning and dangerous killer.
After 44-year-old masseuse Larissa Macriello vanishes from her Miami apartment, police are thrust into a world of sex, lies and secrets as they try to find her.
In 1988, a Burbank couple is shot in their own home, the investigation reveals a scheming killer who almost got away with the perfect murder.
When Nancy Lyon dies of a mysterious illness in 1991, her wealthy father tells police she was poisoned by her own husband.
California real estate developer Jana Koklich vanishes in the summer of 2000, causing police to suspect her job led her into danger, until a local pastor comes forward with a shocking confession.
The brutal murders of an elderly couple in 2010 Wisconsin are investigated; and the case takes on a greater urgency when family and neighbors begin receiving death threats.
California student Julie Kibuishi is found dead in the bed of her friend, Sam Herr, a decorated war hero, who is nowhere to be found.
After New York City fashion photographer Joel Schoenfeld is shot dead in his Greenwich Village studio, detectives uncover a dark secret and a twisted tale of revenge.
Film director Adrienne Shelly is discovered hanging by a bed sheet from the shower rod in her bathroom; while Shelly's death looks like a suicide, her husband insists it was murder, and detectives start to believe him.
An intruder shoots Daniel Ott dead with a shotgun in a stunning case of mistaken identity that leads investigators into the heart of one of the most dangerous criminal rings in the country.
Twenty-six-year-old car dealer Christopher O'Brien takes a stranger for a test drive and never returns; investigators wonder whether O'Brien's criminal past has caught up with him.
Forty-two-year-old Miami mother Raquel Calderin vanishes without a trace on her way home from work in 2012; the investigation into disappearance leads detectives deep into a disturbing family picture, and the truth will haunt them for years to come.
Robert Schwartz, a father of three, is murdered brutally in his own home in a way that's made to look like a ritualistic killing, but the investigation will uncover a killer much closer to home.
After 39-year-old Dawn Viens goes missing, her chef husband, David, reports she ran away to escape her problems; the investigation leads detectives to an unexpected killer who disposed of Viens' body in an unimaginable way.
Randy Scheffield's family finds him dead in his bed and assumes he has succumbed to a heart attack, but detectives slowly uncover a murder conspiracy that will rock Scheffield's small town for years to come.
Atlanta preschool teacher Julie Love goes missing just a week after getting engaged to boyfriend Mark; detectives find numerous suspects in the teacher's disappearance, but the truth turns out to be far worse than they could have imagined.
Pro football player Sean Taylor is shot dead by an intruder in his Miami home.
Ann Anastasi returns home from shopping to find her husband, Anthony, lifeless in bed, a gun beside him; police soon find a second victim, Jacqueline Riggs, in the basement; later, they discover a dark tale of love, lust and violence.
The body of 20-year-old student Sandra Bonaventure is discovered in a garbage bag on a sidewalk in New York City; the trail of clues lead to a cold-hearted killer who possesses an astonishing talent for deception.
Forty-seven-year-old mother Joyce Aparo is found strangled to death near a road 70 miles from her home in Glastonbury, Conn.; the investigation leads detectives into a dark world of abuse, sexual obsession and lies.
Motivational speaker Jeffrey Locker, 52, is found stabbed to death in East Harlem, N.Y.; at first, detectives suspect Locker was in the wrong place at the wrong time, then they learn the truth is far more complex and shocking.
A car races up to the emergency room doors at a Mount Kisco, N.Y., hospital; driver Carlos Perez-Olivo has been shot in his side, while wife Peggy has been shot in the head; investigators must determine what horror has befallen this couple.
At Christmastime, Russel Douglas is found shot to death in his car on a deserted road on Whidbey Island north of Seattle; it's the start of a case that will take a decade to solve and leave many with lingering questions.
Peter Theriault, 51, has never missed a day of work in nearly 30 years, then he fails to arrive for his shift at a car plant in Commerce City, Calif.; his family and friends immediately suspect that something is very wrong.
Multi-millionaire Las Vegas real estate developer Ron Rudin goes missing; to find him, detectives trace twisted a path filled with haunting spirits, dark obsession and greed.
Hollywood golden boy Gavin Smith, a 20th Century Fox executive and former star UCLA basketball player, goes missing; for years, his family and detectives search tirelessly for answers, but a group of heartless characters hold fast to their secrets.
University of Miami football player Marlin Barnes and his friend, Timwanika Lumpkins, are beaten to death in Barnes' apartment; as detectives search for the vicious killer, the crime sends shock waves through the campus and community.
