American who claims to have been on a mission to hunt down Osama bin Laden has been arrested in northern Pakistan. <br/><br/>According to police, the 50-year old man was armed with a pistol, dagger and a sword. police officer Mumtaz Ahmad Khan said. Police officer Mumtaz Ahmad Khan said the man from California was detained in the mountains of Chitral district near the border with Afghanistan's Nuristan province, a known stronghold of the Taliban. <br/><br/>Police identified the suspect as Gary Brooks Faulkner. Police said he arrived as a tourist, checked into a local hotel and was given the customary security escort for his own safety before he disappeared on Sunday night.