Difficult to spot these people coming, given they can act entirely alone and online. my advice would be that our closeness of relationship with the security and intelligence agencies and the public and those concerned about those that might be hon the radicalisation journey can call the police, call the anti terrorist branch hotline or go to the act early web site and report their concerns and seek some advice and guidance. but our relationship with the public is integral to us detecting and preventing terrorism. why do you think he chose sir david amess as his victim? again it is hard orfor me to say exactly why he david sir david amess, but we know he researched a number of mps during his research into this plot and he made a number of attempts to follow other mps online and to physically follow other mp5. sir david amess was holding a surgery that day and ali harbi ali was able to book an appointment there and just remember sir david amess was trying to help ali harbi ali as a const