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.

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.

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.

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.

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.

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.

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.

"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.

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.

"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.

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.

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.

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.

Phoenix Coldon, a young African-American woman, vanished in December of 2011. Her SUV was found abandoned in the middle of the road in a crime-ridden and depressed part of St. Louis. When found, her car was still running with the key in the ignition, and her glasses, purse, shoes, and identification were all inside the vehicle. In the weeks that followed, Phoenix's family searched for answers and now, with the help of investigative reporter Shawndrea Thomas and retired Deputy Police Chief Joe Delia, they are getting the chance to unravel the mystery of Phoenix Coldon's case. The duo meets with Phoenix's parents, other family members, and friends to help them bring more exposure to the case and find answers.