From the moment you walk in the emergency room at Tacoma General Hospital, you can see security is a big concern. Security officer Marc Miller lets me enter. Everybody has to go through a metal detector to get in the ER, 24/7. It's one of many measures Pierce County’s biggest hospital has taken to keep patients from attacking hospital staff. Nationwide, healthcare is one of the most dangerous industries to work in, especially if you work in an ER. Violence strikes healthcare workers in Washington at six times the state average. Frontline caregivers in emergency rooms and psychiatric wards get assaulted even more than that.