FBI admits mishandling tip about accused Florida gunman
Sheriff's office to investigate roughly 20 calls it received about the school shooter in past few years (sun-sentinel.com)Sessions orders review of embattled FBI after Florida shooting failure (theweek.com)Man who warned the FBI about Nikolas Cruz sounds off (video.foxnews.com)Gunman was called low risk after a visit by social services (nytimes.com)