TV Guide for Now Tuesday 25 in Sky Crime

Mother Paige Birgfeld went missing in 2007 and her remains were found five years later. A decade on, police closed the net on a local mechanic.

Jack Unterweger is unmasked as the world's first transatlantic serial killer, who has been reporting on his own murders and hiding in plain sight all along.

Mark Jensen: When Julie Jensen is found dead, police suspect her husband Mark of murder - despite the seemingly happy family life.

The story of a 15-year-old from Leicestershire, who was groomed by a man she met online before being lured to her death in 2015.

In 1994, Rikki Neave vanished walking to school. Found dead, his case remained cold until forensic advances revealed his killer decades later.

When police investigated Adam Whelehan for the murder of Natalie Jarvis, they uncovered a deadly plot fuelled by cowardice, cruelty and misogyny.

Women vanish for decades in a New Mexico town until a survivor's escape uncovers a chilling case that shocks the nation.

Join Ireland's Customs teams as they, with the help of the Irish police, try to stop organised smugglers from bringing drugs, cars and even exotic animals into the country.