Jamie-Lee O Donnell teases Derry Girls reunion a year after show ended ok.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ok.co.uk Daily Mail and Mail on Sunday newspapers.
Experts say that people often expect serial killers to be socially inept or visibly strange - but often the contrary is true. They have a high degree of social competence and fit in easily.