You can save this article by registering for free here. Or sign-in if you have an account. Sitting in a parked car with an arsenal of weapons and ammunition, the man who fired on police officers in ...

The man police say shot and killed a Fargo police officer and shot two more officers and another person used a “binary trigger” device that allowed him to fire his weapon rapidly during the attack on ...

The “binary trigger” device allowed Barakat to fire his double magazine long rifle very rapidly, according to Wrigley. The attack was “all made possible because of what is known as a binary trigger,” ...