999: Killer On The Line Season 1: Episode Guide & Ratings

Examining the case of pub landlord Stephen French, who murdered a customer at the Wisbech Arms, Cambridgeshire.

The story of Alan Jermey, a martial arts expert from Surrey who murdered his partner after she told him she had fallen in love with her boss.

Jacqueline Crymble plotted the execution of her husband in a bid to get her hands on his life insurance.

The disturbing story of Jennifer Pan, who was found guilty of staging a home invasion with the intention of killing her parents.

The story of Anna Hurd, who was murdered by her clingy and controlling boyfriend Anthony J Mitchell after she tried to break up with him.

The disturbing story of Alan Evans, who tried to get away with murdering his wife by pretending she had fallen down the stairs, after she found out about his affair.

In 2010, Robin Garbutt called 999 to report that his wife has been murdered by an armed robber in their North Yorkshire home. This episode examines the case.

The case of farmer Robert Wilson, who ran over his wife with a tractor, but claimed it was an accident until it emerged he has been living a double-life.