A policeman conducts a demonstration of a Taser electroshock weapon in Soesterberg, on March 27, 2009. Special teams of police and Royal Marshals will be equiped with the weapon from May 1 during a test period. In the US, the controversial weapon has been responsible for the deaths of 315 people since its introduction in 2001. AFP Photo / ANP / ROBIN UTRECHT  netherlands out - belgium out (Photo credit should read ROBIN UTRECHT/AFP/Getty Images)