See Something, Say Something About Violent Behavior Act of 2017 This bill grants immunity from civil liability to an employer who reports, to a potential future employer, the violent or threatening behavior of an employee or former employee. The report must be made in good faith and based on objectively reasonable suspicion. Also, it grants immunity from civil liability to a potential employer who responds, with a reasonable action in good faith, to a report of violent or threatening behavior by an employee or potential employee. Finally, the bill grants qualified immunity from civil liability to a federal, state, or local law enforcement officer or to an officer, employee, or agent of the Department of Homeland Security, the Department of Transportation, or the Department of Justice who responds with a reasonable action in good faith to a report of violent or threatening behavior.