Quest Red

In 2016, car salesman Hufracio Arteaga is found stabbed to death in his Michigan City office. Will surveillance cameras from a nearby building reveal the killer.

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

Contract killings arose out of the need to establish the perfect alibi, hiring someone can deflect guilt. Forensic science is changing this.

Days after Beth von Steinner goes missing, her frozen body is found behind her house. With no witnesses or suspects, only CCTV footage can reveal the truth.

When Maurice Byrd is found shot dead in his home, security footage reveals he had many visitors before his body was discovered. But which one is the killer.

Randy Just Showed You The Door! Twins Marlo and Margo visit the salon but a major secret threatens to sabotage the fitting. Plus, Bride Val wants a gown fit for her icy wedding.

Katie takes her mum's Princess Diana-style 80s wedding dress as inspiration, and Lauren plans a Twilight-themed wedding, but can she find a dress to fit the look.

Perfectionist Katie has already tried on 50 dresses - will she find her dream dress? Meanwhile, first time dress shopper Aimee wants a vintage look.

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

Elena craves a vast dress for her big fat Greek wedding - can it impress her huge entourage? Katie's quest for a dress to flaunt her weight loss ends in tears.

Three cases illustrate how poison, including arsenic and potassium chloride, can be used as a murder weapon.

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

A detailed look and investigation into Macheteros, a clandestine Puerto Rican liberation movement accused of numerous acts of brutal terror.

A closer look at real FBI cases - from murders to robberies - with dramatic re-enactments and interviews with agents and forensic scientists who work in the investigations.

The dignity of Embassy Row is shattered as a bomb strapped to the undercarriage of a Chevelle kills a 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's desire to live the life of a typical American teenager is stunted by their strict father. When they rebel, it leads to an explosive and tragic end.

Three bodies are discovered in a burned-out home and a fourth family member is missing. Investigators embark on a decades-long manhunt for the killer.

A family are discovered murdered in their quiet suburban home. When one victim is found still clinging to life, police launch a desperate search for the killer.

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 a man who murdered his wife and hid her body in the freezer.

When Aziza Murphy ends a relationship with a man she meets online, he launches a relentless stalking campaign that takes her job, safety and peace.