
An in-depth look at some of the world's most dangerous murderers.

In 2022, Danville Neil is finally jailed for the brutal 1993 murders of a WWII veteran and his sister.

In April 1997, 27-year-old Rachel McGrath is stabbed to death by an unknown attacker in a car park.

Less than 20 minutes after dropping her children off at school, Rachel O'Reilly is murdered.

When Mary Gough is found dead in her family home, her husband Colin Whelan appears shocked.