Cops use Facebook, Twitter, YouTube to catch perps

Almost as soon as police in Bellingham, Wash., had finished dispersing a rowdy crowd of young people throwing stones, bottles and even cinder blocks at cops last weekend, investigators sat down at their desks and began surfing the Web.Welcome to policing in the Internet age.
As investigators did after the recent beating in New York City of an SUV driver by a pack of angry motorcyclists and the Boston Marathon bombing in April, Bellingham police immediately turned to social media websites to assemble evidence in the melee, which they hope to use to bring key perpetrators to justice.