An arrogant Bournemouth hotelier called Peter Taylor gets away with murdering his wife in 1982; but when he conspires to kill his son-in-law nine years later, his luck runs out.
George Smith, an Edwardian man who married a string of women, only to drown them in a bath and steal their money, was eventually caught and hanged in 1915.
In 1987, two brothers from a well-to-do family killed their parents in such brutal fashion that it still haunts the people of Jersey to this day.
Former military commander Neil Rutherford unleashes terror on the unsuspecting guests of a remote Welsh seaside hotel in 1976, before turning the gun on himself.
The discovery of the body of a lighthouse keeper on the Scottish island of Little Ross in 1960 prompts a massive man hunt for his killer, assistant lighthouse keeper Robert Dickson.
For Dundees most infamous father-son pair, killing was a competition, and between them murdered seven innocent people from 1967 to 1979.
Having brutally murdered his wife in 1993, Hassan Shatanawi thought he had effectively made her vanish from the face of the earth but he made one crucial oversight.
A scandalous love triangle between a beautiful socialite Alma Rattenbury, her young gardener George Stoner and estranged husband Francis cast a shadow of disrepute and death over 1930s Bournemouth.
Port Talbot taxi driver Linda Thomas made a fatal journey one night in 1973, when she picked up a homicidal homeless drifter called Trevor Howell.
A young man, Tyrone France, becomes embroiled in Newport's drugs underworld, meeting a disastrous end in a remote forest clearing in 1996.