Shooting Himself

While he was driving off, the shooter ended up shooting himself, and according to investigators, he did this on purpose in order to kill himself. And right after he did this, he ended up hitting another car and when police arrived, he was pronounced dead on the scene.

Investigating The Crime Scene

Upon initial investigation, they found out that the man they believed to be an officer was actually a US Customs and Border Protection officer. Although he was already off duty for the day, he was still in uniform and buying groceries. So why had the gunman shot him down?