Tennant skilfully portrays what made the killer such a curiosity: this is a normal guy, with a normal job, who just happens to have murdered a dozen or so young men and used them as props round his house. Interior design 101: don’t use corpses for décor.
It's a story that most of us know about: the former army major who cheated the hit show Who Wants To Be A Millionaire out of, ahem, a million quid. There was coughing from an accomplice and the major was found guilty of fraud.
This harrowing documentary marks 25 years since the horrific shooting at Dunblane Primary School in 1996, when a teacher and 16 children lost their lives.
When looking for something to get your telly teeth stuck into there’s little better than a British cop drama, and this offering from ITV is one of the best out there.
Oscar winner Kevin Macdonald takes a hard look at how floods are affecting every corner of the UK, melding gobsmacking interviews with powerful footage.