Authorities search for missing mother of two, Susan Powell, in every nook and cranny of the desert in Western Utah while her friends and family wait for a break in the case. Her husband Josh is named a person of interest as suspicion about his involvement in her disappearance grows. He and his father wage a counter-attack and a war between Susan and Josh's families erupts in the glare of the public spotlight. Shocking revelations about Josh and his family come to light--evidence of violence, obsession and sexual perversion. The family drama leads up to a shocking and unimaginable conclusion.

On July 5, 1998, a wealthy widow named Irene Silverman disappeared from her New York City townhouse. While police went on a frantic search for her, they had no idea the investigation would unravel one of the most shocking series of crimes they had ever seen – a trail of violence and fraud that stretched from the Bahamas to Los Angeles perpetuated by Sante and Kenny Kimes. This episode features interviews with Sante Kimes's son Kent Walker, Sante Kimes's attorney, NYPD officers who worked the case, and a journalist taken hostage by Kenny Kimes in prison.

On September 29, 1982, seven Chicago-area residents were suddenly stricken with a deadly illness. At first doctors were at a loss, but they soon discovered a sinister connection: all the victims had recently taken cyanide-laced Tylenol capsules. This launched an investigation that has lasted over four decades and forever changed the way medications and other goods are packaged in stores. This episode features interviews with family members of the victims, law enforcement who were first responders on that day, medical examiners and investigators on the case.

Recent scientific advances have uncovered new secrets around the Titanic sinking, challenging previous notions about the ship's fate. This chapter continues to analyze the wreck and a recent underwater expedition that claimed more lives.

On February 21, 2001, a beautiful young woman is viciously murdered inside her Hollywood home just before she was scheduled to go on a date with actor Ashton Kutcher. As detectives search for answers, her friends relay stories about a strange air conditioning repairman who would show up uninvited at her home. They only know him as "Mike," but as the investigation unfolds, police discover that his full name is Michael Thomas Gargiulo, and he may be linked to another murder almost eight years earlier in Illinois. While a suspect and not yet arrested, Gargiulo commits more brutal crimes, only to be stopped by one young woman who fights back and survives.

A look at new details surrounding Whitney Houston's last days and her tumultuous relationship with Bobby Brown.

Interviews with former special agents, journalists, and Richard Jewell's associates provide insight into the case and its aftermath; subsequent bombings over the next eighteen months led investigators to suspect a serial bomber in Atlanta.

In the summer of 1996, a bombing at the Atlanta Olympics killed two and injured over 100; an intense manhunt ensued, with the media and law enforcement falsely accusing security guard Richard Jewell as a suspect.

The fateful Titanic shipwreck of 1912 intertwines with a recent underwater OceanGate voyage that cost more human lives. Interviews with historians, wreck analysts, and descendants of Titanic passengers shed light on both tragedies.

New theories emerge in the O.J. Simpson case, including a serial killer's confession, a possible hit man who claims responsibility for the murders.

New theories emerge in the O.J. Simpson case, including a serial killer's confession, a possible hit man who claims responsibility for the murders.

Examining the factors that led to the crash that killed John F. Kennedy Jr. and a never before seen interview with a person who may have been the last person to speak to JFK Jr, moments before the crash.

Roy tries to recover from severe wounds inflicted by his beloved tiger Manticore, but the team's excuses for the animal's behavior lose credibility upon further investigation.

Forty-year-old Adrienne Shelly was an actress, writer, director, wife, and mother. She finished working on her film Waitress when she was found hanging from a shower curtain rod on November 1, 2006. Initially, authorities believed her death to be a suicide, but they soon learned that her death was not what it seemed.

An eight-month-old baby is fatally injured while in the care of a family's au pair, Louise Woodward. Was it child abuse or a tragic accident? Doctors suspect the former, a case of 'shaken impact syndrome,' and detectives arrest the infant's 19-year-old British nanny who cared for him in the hours and minutes before his demise. But, was the baby's death a case of intentional murder or a tragic accident that occurred under Woodward's watch?

Uncovering Prince's secret struggles from his earlier years to the final days leading up to his shocking death.

HLN highlights the shocking motive that turned these brothers into killers.

Investigating a wide range of suspects and evidence in the killing of JonBenet Ramsey.

Revelations of what Michael Jackson's children and staff witnessed prior to his death.

Lyle Menendez speaks from behind bars to Chris Cuomo, more than 25 years after he and his brother Erik were convicted of first degree murder.

Aviation experts revisit the accident and share what exactly happened.

The news of Bernie Madoff's arrest sent shockwaves around the world. His staggering crime affected thousands of victims, including charities, universities, celebrities and even Madoff's own family and friends. How did he do it? Why did he do it? Did he have any help? Investigators were about to unravel a scheme that went back decades and involved several loyal employees.

15 years after Madeleine McCann's highly publicized disappearance, there's a new suspect.

When Iranian students stormed the US Embassy in Tehran in November 1979, they took the Embassy staff hostage and held them for 444 days. Only a handful managed to escape, but they were trapped in Iran until the CIA came up with a daring plan to bring them home. This top-secret mission was the subject of the Academy Award-winning film Argo. In this episode, several former hostages detail their time in captivity, and three of the Tehran Six escapees tell of their daring rescue.

On July 5, 1998, a wealthy widow named Irene Silverman disappeared from her New York City townhouse. While police went on a frantic search for her, they had no idea the investigation would unravel one of the most shocking series of crimes they had ever seen – a trail of violence and fraud that stretched from the Bahamas to Los Angeles perpetuated by Sante and Kenny Kimes. This episode features interviews with Sante Kimes's son Kent Walker, Sante Kimes's attorney, NYPD officers who worked the case, and a journalist taken hostage by Kenny Kimes in prison.

On September 29, 1982, seven Chicago-area residents were suddenly stricken with a deadly illness. At first doctors were at a loss, but they soon discovered a sinister connection: all the victims had recently taken cyanide-laced Tylenol capsules. This launched an investigation that has lasted over four decades and forever changed the way medications and other goods are packaged in stores. This episode features interviews with family members of the victims, law enforcement who were first responders on that day, medical examiners and investigators on the case.

The aftermath of the investigation into the murder of JonBenet Ramsey.

Aaron Hernandez is a star player for the New England Patriots, and at the young age of 23, is set up for greatness. But less than a year later, a body is found riddled with bullets, only a short distance from Hernandez's home. Forensic evidence and surveillance footage from the night of the murder, examined in detail in this program, soon tie Hernandez to the crime scene.

What were the real reasons for the government raid of a religious compound in Waco Texas in 1993? What was happening inside the Branch Davidian compound?

They were well-known and well-liked Dartmouth College professors. But on January 27th 2001, Half and Suzanne Zantop's incredible lives came to a shocking and unforeseeable end: found brutally murdered in their remote Hanover, New Hampshire home. The double killing quickly became national news. Who would commit such a heinous act, and more importantly, why? With few leads and few clues at the get-go, investigators were stumped. But some good old fashioned police work would lead detectives to a small town just across the border in Vermont--where they found an incredibly unexpected twist to this 'whodunit' mystery.

In the early 1990's daytime talk television was on the rise. In an effort to capture high ratings shows began to push the envelope with outrageous stunts and controversial guests. Viewers liked watching the dramatic scenes play out, but critics called it trash TV. Then in March of 1995, after three friends went on The Jenny Jones Show to reveal a secret crush, one of them ended up dead and another was charged with murder. What lead to the killing and why did one of the friends feel the spotlight was too hot?

After the 9/11 terrorist attacks, the nation faced a new threat: anthrax, dubbed "the poor man's nuclear bomb." This easily weaponized bacteria sparked widespread fear, leading to one of the FBI's largest investigations.

The shocking killing of Reeva Steenkamp by Olympic superstar Oscar Pistorius on Valentine's Day 2013 shattered the illusion of a storybook romance between a celebrated Hollywood couple. Was it a terrible accident or a callous murder?

Saint Patrick's Day 1990, robbers stormed Boston's Gardner Museum, making off with 13 priceless artworks, never to be recovered. Valued at half a billion dollars, the whereabouts of the missing pieces remain a mystery.

In the dark hours of June 23, 1993, in Manassas, Virginia, a man lies fast asleep on his bed, while a woman looms over his prone body with a kitchen knife and proceeds to slice off his manhood. A stunning end to the broken marriage of Lorena and John Bobbitt, but what outrageous situation led two young people to a horrifying silent scream in the night?

Glenn Frey was a multi-talented musician and along with Don Henley co-founded the legendary band, the Eagles. During the 1970's the Eagles released a series of hit songs--from Peaceful Easy Feeling, to Already Gone, to the classic hit Hotel California. Glenn Frey played piano, guitar, sang and wrote songs that stood the test of time. On stage fans always saw a fun-loving Glenn Frey but behind the scenes he had been dealing with a number of health issues. And ultimately when he died in 2016 his fans were shocked because he was still playing the music they loved.

Who would want to murder the father of beloved superstar Michael Jordan? When in 1993, James Raymond Jordan Sr. goes missing and his luxury car is found stripped and abandoned in North Carolina, clues point to a tragic crime.

David Kaczynski, the brother of convicted Unabomber Ted Kaczynski, discusses the hunt that led to the capture of his infamous sibling.

Heath Ledger's death is examined.

The siege at Waco ended in a fiery hell that killed David Koresh, his followers, his wives and children. TV news crews and demonstrators watched in horror as the ranch went up in flames.

On October 25, 1994, Susan Smith reports that a carjacker has abducted her two young sons, Michael and Alexander. This report sets off a nationwide search for the boys. While the world waits for news about the boys, investigators deliver shocking news.

On Oct. 28, 2007, 23-year-old Stacy Peterson, the wife of veteran police sergeant Drew Peterson, goes missing. As police launch an intensive search to find Stacy, the case raises shocking new questions about her husband.

In an exclusive prison interview, Timothy McVeigh himself describes how events in his personal life - and in the ever-changing world around him - inspired him to take action against his fellow Americans.

Investigators believe Wayne Williams, a 23-year-old black man murdered more than two dozen black children and young men in Atlanta; 40-year-old evidence is reexamined using modern forensics in search of more answers.

In 2003, the wildly successful careers of master illusionists Siegfried & Roy come to a shockingly abrupt end when one of the team's prized tigers bites Roy Horn on the neck and drags him offstage.

A tale of murder, adultery, courtroom drama, and ultimately the death penalty. The story of Scott and Laci Peterson as told by those who lived it. Did Scott Peterson murder Laci?

On June 5th, 2002, Elizabeth Smart is kidnapped from her Salt Lake City home, snatched from her bed at knifepoint by a mysterious man in the middle of the night. To the public it seemed as if she had vanished into thin air, but she was actually taken by 48-year-old Brian David Mitchell. A look at the unbelievable nine month saga with its unforeseeable twists and turns, a police investigation that went sideways, and a family fighting to keep hope alive.

From 1979 to 1981, more than two dozen of Atlanta's black children disappeared without a trace; a look at who was killing the city's most vulnerable and why.

George Michael's life as an international superstar comes to a mysterious and tragic end on Christmas Eve 2016. Family and fans are shocked by his sudden death. There are so many unanswered questions. Who was with Michael in those final hours? What happened the night he died? What did the coroner find was the actual cause of death?

Behind the scenes of Selena's red hot career, ambitions, and tragic demise. Rare interviews include her close friend and co-fashion designer, the back-up singer in her band, and for the first time ever, a nurse who spoke to Selena and her killer just before she died.

On April 15th, 2013, two bombs explode during the iconic Boston Marathon, killing three spectators and injuring hundreds of others. In a race against time, investigators, using state-of-the-art technology, circulate images to the public of the two suspects dubbed "black hat" and "white hat."

News of the sudden passing of celebrated rock musician Tom Petty shocked fans worldwide, but a deeper look into the music legend's life reveals physical and emotional afflictions that may have led to his death at age 66.