Aj Mossman, a Denver emergency medical technician who is studying to be a nurse, was shocked to be tear-gassed and struck in the back of the leg with a flash grenade while treating a protester in late May.

Aj Mossman, a Denver emergency medical technician who is studying to be a nurse, was shocked to be tear-gassed and struck in the back of the leg with a flash grenade while treating a protester in late May.