Inside the Race to Stop the Next Shooter: “…As gun rampages have increased, so have security efforts at public venues of all kinds, and threat assessment teams can now be found everywhere from school districts and college campuses to corporate headquarters and theme parks. Behind the scenes, the federal government has ramped up its threat assessment efforts: Behavioral Analysis Unit 2, a little-known FBI team based in Quantico, Virginia, now marshals more than a dozen specialists in security and psychology from across five federal agencies to assist local authorities who seek help in heading off would-be killers. Those calls have been flooding in: Since 2012, the FBI unit has taken on more than 400 cases…”