Death in Paradise: The Early Bird

A birdwatcher is stabbed to death with his own knife, a case that holds a certain fascination for Humphrey, who was a keen twitcher in his youth. The victim was one of a group of enthusiasts who had visited the island for a glimpse of a famous parrot - but the team soon faces a conundrum as all the suspects were in full sight of one another when the crime was committed. As the cops search for answers, they uncover evidence of long-standing rivalries, secret jealousies and romantic entanglements. But would any of it justify killing a harmless ornithologist?