Wealthy retired executive Ken Abbott and his wife, Celeste, are said to have died in a fiery car crash in New Jersey, but when the family can't get answers to simple questions about their deaths, police discover a gruesome crime motivated by greed.

Horror strikes the wealthy enclave of Aspen, Colo. when heiress Nancy Pfister is found brutally murdered in her mountain home; as police work to untangle a twisted web of suspects, a shocking confession puts a sudden end to the investigation.

Fontainebleau Miami Beach hotel heir Ben Novack Jr. is bludgeoned to death three months after his mother, Bernice, is found dead under suspicious circumstances; Novack's wife, Narcy, a former stripper, becomes the key to unlocking this sordid case.

Living a golden life, entrepreneurs James and Pamela Fayed turn a fledgling coin company into a gold trading empire; after Pamela is brutally stabbed to death, her murder case reveals a federal fraud investigation and a marriage filled with lies.

Wealthy suburbanite Jane Bashara is found strangled to death in a seedy part of Detroit known for drugs, crime and murder; a handyman is charged, but that's only the beginning of the story which is ultimately about sex, lies and betrayal.

A serial imposter pretends to be a heir to the Rockefeller fortune; when bones are dug up behind a house in an affluent California community, police want to know the true identity of Clark Rockefeller.

When a wealthy Texas retiree is found dead in a ravine in Mexico, all eyes turn to his young boyfriend, a porn actor; while investigators uncover the truth behind their relationship, border crossing records provide the key to solving the case.

A surgeon with a seemingly perfect home life, Dr. Toni Henthorn dies while hiking with her husband during a romantic weekend getaway; investigators ask whether Henthorn was the victim of an accident or the target of a black-hearted master plan.

The body of a Chicago woman is found stuffed in a suitcase at a luxury resort in Bali; her murder is a tragedy years in the making.

When a Manhattan heiress vanishes from her mansion, friends, staff and investigators are mystified; the investigation leads to a mysterious tenant who moved into the mansion weeks earlier and a transcontinental story of deceit, arson and murder.

"Murder for Hire" gives an exclusive look into the dark world of contract killings, showcasing some of the most fascinating murder for hire cases ever caught on tape. In an alarming trend, investigators are seeing a sharp increase in hired hits across the country, and those attempting shockingly include: housewives, wealthy bankers, military officers and even grandmothers. From scorned lovers to jealous relatives, the show explores in rare, never-before-seen footage, how a seemingly good relationship can go wrong and the emotions surrounding the reveal when an intended victim discovers a hit has been taken on their life. Each standalone episode features a different case of undercover agents immersing viewers into the real-life sting and investigation as they attempt to catch the perpetrator and ultimately prevent a murder.

Each episode of this true-crime reality series examines a different felon, usually a female, who has committed murder or attempted murder. The victim is usually the perpetrator's partner. The documentary-style series features interviews with friends and family members of the accused and victims, law-enforcement officials, attorneys and other people with first-hand knowledge of the cases.

Desperation can cause people to do extreme things. When its paired with obsession and an overwhelming need to belong, it can prove to be fatal. When individuals are pushed beyond their limits -- when their exclusivity to the finer things in life, status, and accessibility to belong are threatened -- some crimes can be fatal. Through firsthand testimony and never before seen video footage, "Dying to Belong" draws the curtain back on a community where distrust, rivalries, and the threat of losing everything can lead to extreme measures and actions, no matter what.

"Killer Couples" is in the same vein of the long-running true-crime series "Snapped," which tells stories of people who commit murder or attempt murder, but with a focus on couples who commit crimes. Using re-creations and firsthand accounts, each episode digs into a case, telling the story of the couple's romance, how the relationship evolved from love to manipulation, and what ultimately led the couple to commit the crime. The stories range from teenage lovers who go on a multistate crime spree to lesbian lovers who want to eliminate one of their husbands.

"Unsolved" is a new limited series that draws from the experiences of Greg Kading and Russell Poole, two former LAPD detectives who led separate investigations into the murders of iconic rappers Tupac Shakur and The Notorious B.I.G. Based on Kading's book "Murder Rap: The Untold Story of the Biggie Smalls & Tupac Shakur Murder Investigations," the series juxtaposes the two investigations alongside flashbacks into the relationship between Tupac and Biggie.

For more than 25 years, "Dateline" has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a second look at some of the most mysterious cases of recent history. Hosted by Emmy-winning journalist Craig Melvin, the show explores the stories through firsthand accounts told by people who are close to the crime, including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.

Using dramatic re-enactments bolstered by police reports and forensic evidence, Investigation Discovery delves into the minds of female killers in "Deadly Women." Each episode focuses on four different cases in which women, for a variety of reasons and with a variety of methods, chose to take the lives of others. Stories featured include more recent cases, like that of Andrea Yates, the Texas woman who in 2001 drowned her five children one by one in the bathtub and then called police, to older cases like that of the "baby farmer" Sarah Makin in 1890s Australia, who killed illegitimate infants left temporarily in her care.

Stacy Keach narrates this dissection of the dark side of the American Dream, a survey of how far some people go to become rich, no matter the cost to themselves and those around them. Real-life cases are reviewed and involve such criminal activity as credit card scams, identity theft, counterfeiting and Ponzi schemes.

A vibrant young woman is found dead, hanging naked, bound and gagged, in the courtyard of her billionaire boyfriend's Coronado, Calif., mansion, just two days after his 6-year-old son suffered a shocking accident. The sheriff rules her death a suicide, claiming she was distraught over the young boy's grim prognosis, but after seven years of endless public intrigue and speculation, a wrongful death suit holds someone accountable. In the wake of the civil verdict, Prosecutor Loni Coombs, crime journalist Billy Jensen, and forensic criminologist Paul Holes embark on a fresh look at the case. Meeting with experts, family members, witnesses, and never-before-interviewed law enforcement officials, they create a case file with compelling new evidence and present it to the San Diego Sheriff's Office for review.

Raw, unbridled and chilling depictions of human desires surface in "In Ice Cold Blood." True crime is depicted at another level as Ice-T takes viewers straight into the stories. Money, sex, lust, and greed run rampant with very real consequences. Family members, friends and detectives recount each case -- a missing military veteran, a student murdered in a crime of passion, and secret payouts are only some of the cases. These stories are told through re-enactments, in-depth interviews and archived footage.