The Real Manhunter

Nicknamed 'The Night Stalker,' Delroy Grant would sneak into the homes of the elderly, disconnect the electricity, and assault his victims before disappearing into the night. In 2011, Grant was convicted for 29 known offenses he committed.

Levi Bellfield is one of the most notorious serial killers in modern British history, most famously committing the brutal murders of Milly Dowler, Marsha McDonnell, and Amelie Delagrange. Colin Sutton brought Bellfield to justice.

Nimpha Ong and Ahmed Al-Haddad were tenants of 92-year-old Bridget 'Bridie' Skehan, a wealthy former socialite, at her Bayswater flat when they brutally beat Bridget to death in a gratuitously savage attack in December 2002.

Following a long-running dispute between 22-year-old Krystal Hart and her 'Neighbor from Hell' Angie Brewer, Thomas Hughes took it upon himself to execute Hart, who was pregnant at the time, after he became besotted with Brewer.

Christopher Donovan, his brother Philip, and friend Richard were in high spirits walking home in the early hours one Saturday morning when they were attacked by a gang of thugs, an attack that would sadly end in Christopher's death.

Clare Bernal and Michael Pech had only been on three dates when Pech began a campaign of stalking Clare. Eventually, after reporting his behavior, Pech was arrested. However, out on bail, and awaiting sentencing, Pech chose a dark path.

On February 26, 1994, David Lauwers fought with a doorman at The Dream City Cinema Club in a dispute over admission and was ejected. Lauwers soon returned to exact his revenge with a can of petrol and a temper of fire to light it.

In 1999, Maureen Hale vanished without a trace, leaving her husband and children behind. Police have long suspected her millionaire husband, Martin, of killing her after Maureen had demanded a divorce. Martin Hale was found not guilty.