Dr Hunt's team bred the killer bees with European bees in an attempt to establish a genetic link to the attacks.

BBC: Sci/Tech

In addition, Prof Levander says, the team assessing the killer was not run by the most senior psychiatrists available, because "many had been involved with the media" in the wake of the murder, and were not seen as impartial.

BBC: NEWS | Europe | Doctors split over mind of a killer

He was sure that there must be a man inside the machine, or a team of brilliant men, whispering killer moves.

FORBES: Magazine Article

Senior investigating officer Det Insp Bobby Dow said a dedicated inquiry team maintained a "daily focus" on efforts to bring his killer to justice.

BBC: John McMurchie

In these areas Wolfe's team, monitoring the flow of viruses between wild animals and humans, hopes to pinpoint potential killer viruses before they establish a big foothold in people.

FORBES: Nathan Wolfe chases killer microbes.