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In 2015, Edward Lowry was found savagely beaten to death in South Dakota. With little evidence left behind, the police attempt to piece together Ed's last moments from CCTV footage.

People who contract killings have airtight alibis, but investigators use forensic science to explode so-called perfect alibis.

Days after Beth von Steiner goes missing, her frozen body is found left in a rubbish pile behind her house. With no witnesses or suspects, only CCTV footage can reveal the truth of who killed her.

When Maurice Byrd is found shot dead in his home, security footage reveals he had many visitors before his body was discovered. Investigators must figure out which of those visitors is the killer.

Presenting the latest products live on television that can be ordered directly. The product range extends from vacuum cleaners and bath towels to sports equipment.

Presenting the latest products live on television that can be ordered directly. The product range extends from vacuum cleaners and bath towels to sports equipment.

Presenting the latest products live on television that can be ordered directly. The product range extends from vacuum cleaners and bath towels to sports equipment.

Presenting the latest products live on television that can be ordered directly. The product range extends from vacuum cleaners and bath towels to sports equipment.

Presenting the latest products live on television that can be ordered directly. The product range extends from vacuum cleaners and bath towels to sports equipment.

Presenting the latest products live on television that can be ordered directly. The product range extends from vacuum cleaners and bath towels to sports equipment.

Twins Marlo and Margo return, with Marlo as the bride. In a cruel case of karma, Margo's sass comes out, and family drama further escalates upon the revelation of a major secret. Bride Val needs a gown for her icy wedding atop an Alaskan glacier.

Katie brings her mum's 1980s wedding dress to the shop as inspiration. Lauren is planning a Twilight-themed wedding, but can she find a dress to complement the look?

Perfectionist Katie has already tried on 50 dresses. Will she find the one at Confetti & Lace? Meanwhile, Aimee tries on dresses for the first time and wants a vintage look.

Laura wants a completely different dress to the ball gown her sister wore on her wedding day. Joanna desires a sexy gown, but her 10-year-old daughter Mia has other ideas.

Family girl Elena craves a huge dress for her big fat Greek wedding, but can it impress her massive entourage? Katie's quest for a dress to show off her weight loss ends in tears.

Murderers who use poison to do the dirty deed are ultimately betrayed by their motives, especially when they murder for money.

Relatives of 'Suffolk Strangler' Steve Wright reveal how his shocking crimes impacted the family. Were there any signs of his murderous intentions?

FBI Files gets up close and personal with the Macheteros, a clandestine Puerto Rican liberation movement accused of numerous acts of brutal terror.

Chicago's Organised Drug Enforcement Task Force investigates the El Rukn gang, hoping to end one of the largest heroin and cocaine operations.

On September 21, 1976, the dignity of Embassy Row is shattered as a bomb kills the former Chilean ambassador to the US and his wife.

A family worries when a godmother never arrives for a baptism. Meanwhile, a jogger discovers a woman's body off a remote road in Pennsylvania.

While a young man worries about his missing sister, a young woman's body is found in the Arizona desert and investigators begin the hunt for her identity.

In 2005, Pamela Knight vanishes on her son's birthday and, years later, two men find the remains of a woman buried under an abandoned shed.

Amina and Sarah Said long to live the lives of typical American teenagers, but when they push back against the rules of their traditionalist father, tensions simmer inside the family and come to an explosive conclusion.

Three bodies are discovered in a burned-out home in Scottsdale and a fourth family member is missing; investigators realise they have a triple homicide on their hands, and embark on a decades-long manhunt.

Police find a family savagely murdered in their quiet suburban Oklahoma home, but when police find a victim still clinging to life and able to provide some answers, they launch a desperate search for the perpetrators before they can kill again.

After the murders of three schoolgirls, riots break out across Britain. Police are outnumbered but then use cameras to hunt down and arrest rioters.

Experts analyse a man's deception following the Manchester Arena terror attack. Police tapes expose the lies of a man who murdered his wife and hid her body in the freezer.