Crime & Investigation Network

In the summer of 1993, gay men in London were being terrorised by a brutal killer. Colin Ireland, a loner from Southend, had made a macabre resolution - to become a serial killer.

Former friends of Stephen Griffiths open up about the Bradford serial killer, who was caught firing a crossbow through Suzanne Blamires' head in 2010.

Once a national treasure, now the most vilified man in the UK, Jimmy Savile was branded as the worst sex offender the UK has ever seen one year on from his death.

Tiara Pool, a married mother of two young boys and whose husband served in the navy, strays from her marriage only to be killed by an online stranger.

Within two years of Dr Lisa Tseng starting her career in Rowland Heights, Los Angeles, the demographic pattern of her patients dramatically changed, with largely young men travelling long distances to seek pain medication.

Over the course of just a few months, Vickie Jackson murdered at least ten people. An investigation found a suspicious syringe in Jackson's rubbish, and bodies were exhumed to test for the lethal drug.

In New York, Maria turns part of her home into a flat for her grandson, but everything unravels when a negligent tenant living under the same roof as her refuses to vacate.

A young couple in Philadelphia lists their home for sale, only to find a squatter already living in it. When confronted by Flash's team, he is completely shocked and produces a fraudulent lease.

A deadly explosion rips through a Leicester home, killing five. As grief turns to suspicion, police uncover arson and a chilling motive behind it.

A housekeeper at the Village Inn Motel calls police when she finds a guest unresponsive and cold to the touch. More questions arise when the housekeeper informs police that the victim's car has been stolen.

The true-crime documentary details a complex police investigation launched after a tragic murder occurs inside a busy commercial hotel room. Forensic experts and detectives work tirelessly to gather evidence, trace suspect movements and secure justice.

During renovations, Andrew's Philadelphia home was taken over by squatters who moved in, changed the locks, and installed security cameras. What begins as a straightforward case quickly escalates into a tense stand-off with authorities.

In Washington, health issues forced Zachary out of his dream home. He rented it to seemingly trustworthy tenants-only to realise they were alleged serial squatters who stopped paying and refused to leave.

Tom Clayton loved money, women and his bad boy reputation. Fearing his wife Kelley would take half of his wealth, he decided to cash in on her life.

After a teenager is killed at a party, police question the guests and wonder if they're all part of a cover-up. A reported suicide leaves Lt Joe Kenda with doubts.