Police ask public for help in fighting fake cops Police Commissioner Gary Griffith. - DAYS after police warned the country of an imposter going by the name of “Sgt Hamilton” comes a video of two men pretending to be police officers “arresting” a man. In a Twitter post on Thursday morning, the police showed a 15-second video of a masked man wearing what appeared to be a police shield, who identified himself as “Constable George from FIB (Financial Intelligence Bureau).” In the Twitter post the police said the men are imposters, and are calling on the public to report them to the police.