Crime + Investigation Sunday

When royal protection officer Michael Coulton's wife is found murdered just yards from her work, a few of his secrets begin to come to light

Will looks into the case that left Australian officers baffled when they intercepted a call to an international drugs cartel and heard their senior officer on the line

The case of 45-year-old Stephen Seddon, from Co Durham, who in March 2012 murdered his parents to collect a £230,000 inheritance

The murder of Rachel Moran, who went missing in Hull on New Year's Day 2004, and how a mass police search eventually led to finding her killer

Actress Katherine Kelly examines one of the UK's most shocking crimes, that took place in the quiet Welsh town of Pontypridd

Katherine Kelly examines the crimes of Steven Grieveson. Known as the Sunderland Strangler he murdered four teenage boys in the early 90s

A case involving a loan dispute between friends

Deborah is in court to claim £825 to correct repairs made to her garden wall by her neighbour

After a week passes with no word from a Manchester woman to her family, a burnt body is discovered in an obviously staged, smoke-filled crime scene

Just 10 days before her divorce, Joanna Simpson is reported missing by her husband, who then shockingly admits to killing her

Eva Hamby sits down for a polygraph test with former FBI agent George Olivo in an effort to clear her name in the eyes of her doubters

A man who spent two decades in prison for a crime he insists he did not commit takes a polygraph test, hoping to prove his innocence once and for all

Individuals suspected of serious crimes take a polygraph test. Shannon Price, ex-wife of actor Gary Coleman, answers questions relating to her husband's death

A church bombing stuns Oakwood, with police scrambling for answers. Then it happens again. Investigators must find the bomber before another attack

In 1980, Helene Pruszynski is found brutalised in a snowy field. This documentary reveals how, after 37 years, a genealogy website finally led to the killer

A woman's burning body is found in an oil field in 2006, and a lawman is determined to do everything to solve her case - a mission that takes the next 13 years

Documentary exploring the case of criminology student-turned murderer Bryan Kohberger, who stabbed four women during a home invasion

When Jaclyn discovered her husband and his ex-girlfriend had been messaging, she set out to take revenge by scaring her as much as possible

David McGee's violent tendencies against women would be discovered by his girlfriend, Charmeka, in the most frightening way

In 1980, Helene Pruszynski is found brutalised in a snowy field. This documentary reveals how, after 37 years, a genealogy website finally led to the killer

Houston, Texas, is rocked by a grisly crime scene - a man whose head is practically hammered off his body and a semi-nude woman riddled with pickaxe wounds

The story of Elizabeth Marriott, who was lured to a co-worker's New Hampshire home as a sex offering for her domineering killer boyfriend

The story of former beauty queen Michele MacNeill, who was found dead in her bathtub amid rumours her doctor husband was having an affair

How, during the investigation into serial killer Ed Kemper, detectives became painfully aware that there was another serial killer on the loose