The blind trust that many people have in government and policing is an achilles heel for them.
Many serial killers have masqueraded as police officers, finding that people will tend to blindly follow and trust a man wearing a shiny badge and a government-style costume. Many serial rapists also use the same trick, finding that women will pull over their vehicles whenever someone flashes a siren.
At the Olympics in Brazil, U.S. Gold Medal-winning swimmer Ryan Lochte and other Olympians in a taxi were pulled over by gun-wielding people who flashed badges and guns and robbed them. See here.
