Detectives interrogate a woman accused of killing a lottery winner for his $30,000,000 prize; special agents press an ex-con about a missing 5-year-old girl and her dead babysitter; a murder suspect asks police for a lawyer; and more.

A 92-year-old woman tells investigators why she shot and killed her 72 year old son; a detective tells a suspect that the man he's accused of stabbing has died at the hospital; and more.

Celebrity hairdresser Fabio Sementilli seemed to have it all - fame, a loving family, a luxury lifestyle. But when he was found stabbed to death and his sports car stolen, detectives uncovered a chilling murder plot.

Debbie Griggs had three young kids, and was pregnant with her fourth. But she believed husband Andrew was sleeping with a teenage girl, and had threatened divorce. That’s when she went missing, and it would take cops 20 years to uncover the truth.

In Tulsa, detectives scour the city for a man on the run while trying to uncover the truth behind a woman's mysterious injuries.

A man living at an extended-stay hotel is shot dead in his room after a night of gambling with friends turns into more than anyone bargained for. In Mobile, a young woman helps a friend in need and pays the ultimate price.

Desperate to stop the senseless shootings in her community, Detective Kenyata "KeeKee" Taylor must find out why the latest teen victim was wearing a ski mask when he was killed.

Detective Angela Carter takes over the case of a missing teenage girl and wonders if the key to her disappearance could lie shockingly close to home.

In Mobile, a man is gunned down in front of his family, and it's up to Det. Jermaine Rogers to sift through differing accounts of the incident to find the truth.

Each episode tells the story of how an online connection led to murder. Whether it’s the excitement of online dating, the lure of money-making schemes, or the chance to cheat on your partner, every story is different, but everyone has a tragic end.

Each episode tells the story of how an online connection led to murder. Whether it’s the excitement of online dating, the lure of money-making schemes, or the chance to cheat on your partner, every story is different, but everyone has a tragic end.

Shanti Cooper-Tronnes was found dead in the bathtub a week before her home was selected to be on a renovation show. Her husband, David, claimed it was an accident, but detectives uncovered a tale of lies and deception.

Kirk Lankford is with his pregnant wife and young son at The Potter’s House Church in Hawaii. Kirk leads a band practice with his fellow churchgoers, but has plans immediately after the practice - to dispose of the body he murdered earlier that day.

In a quiet suburb of Los Angeles in 1988, Hollywood camera assistant Robert Samuels is brutally ambushed and shot in the back of the head. The investigation leads to several suspects with links to Robert's widow.

In the early 2000s, one of the most trusted nurses in a West Yorkshire hospital is in fact killing her patients on the night shift. The grieving families fight for justice, but then a shocking death changes everything.

Police are called to a shooting in the town of Wenham, Massachusetts. Mother of three, Karen Sharpe dies later that night. But who would want to kill her? Investigators soon uncover Karen is in the midst of a multi-million dollar divorce.

A Christmas Day shooting shatters a suburban marriage, revealing a toxic partnership that had been ready to explode.

Greg Williams was Michelle’s knight in shining armour. A mother of three, working in the sex industry, Greg was her ticket to a luxurious life. When an intruder breached their mansion’s security and attacked the couple, detectives were baffled.

Something was wrong at DaVita dialysis centre in Lufkin, East Texas, with a huge increase in code blues. Patient after patient was taken to the nearest hospital, many succumbing to their injuries.

The unbelievable story of a serial-killing Canadian nurse, who walks into a police station of her own free will and confesses to a murderous rampage. Her detailed recounting of each death is chilling.

William George Davis, a nurse in Tyler, Texas, was just 32 when he began a reign of terror over patients recovering from heart surgery. Prosecutors claimed that Davis had at least eleven victims, of whom seven died.

A hospital thrown into chaos, a police force looking in the wrong direction: how one nurse fooled the authorities to cause destruction and death by tampering with saline bags at Stockport's Stepping Hill Hospital.

When Eric Lloyd died at home, his wife claimed it was from natural causes. Marie Whiston had been looking after him between nursing shifts at their local hospital and was anxious to attribute his death to ill health.

In a quiet suburb of Los Angeles in 1988, Hollywood camera assistant Robert Samuels is brutally ambushed and shot in the back of the head. The investigation leads to several suspects with links to Robert's widow.

Kenda reopens a case when he receives a game-changing, unprompted confession concerning a death that was previously ruled a suicide.

A gun battle in a quaint family home leaves one dead and two in critical condition, and a woman is found beaten, strangled and stabbed on the roadside.

Shanti Cooper-Tronnes was found dead in the bathtub a week before her home was selected to be on a renovation show. Her husband, David, claimed it was an accident, but detectives uncovered a tale of lies and deception.

A roadside car crash unravels when investigators realise the wreck was staged to hide a double murder inside the family home.

In a crowded Tulsa bar, surveillance video captures the owner being gunned down as he tries to break up a fight between two dancers.

Kenda reopens a case when he receives a game-changing, unprompted confession concerning a death that was previously ruled a suicide.

A gun battle in a quaint family home leaves one dead and two in critical condition, and a woman is found beaten, strangled and stabbed on the roadside.

In a quiet suburb of Los Angeles in 1988, Hollywood camera assistant Robert Samuels is brutally ambushed and shot in the back of the head. The investigation leads to several suspects with links to Robert's widow.

Police are called to a shooting in the town of Wenham, Massachusetts. Mother of three, Karen Sharpe dies later that night. But who would want to kill her? Investigators soon uncover Karen is in the midst of a multi-million dollar divorce.