The worst eyewitnesses are full of passionate intensity, and the
   best lack all conviction" - I always suspected that. People pay
   attention to a loudmouth who is yells 'it's the TRUTH!" but the
   shakey, uncertain quiet witness is seen as dishonest - but in
   matters of truth and lies it's quite the exact opposite. At
   best, our memories cannot be fully trusted - neuroscientists
   knew that for years, but now the court systems are just starting
   to take notice. "