SEVIERVILLE, Tenn., — A Sevier County Sheriff’s Office deputy opened fire without warning in a mobile home park, suffered an apparent panic attack four minutes later and was forcibly disarmed by a paramedic, body camera footage shows.Deputy Justin Johnson did not mention the panic attack in his report on the December 2016 incident, and he remains on active duty, court records show.Brian Keith Mullinax, 41, and his girlfriend, Tina Carrie Jo Cody, 37, spent 42 days in jail on felony charges, accused of causing what was described in court statements as a "panic attack" and which a detective called "some type of cardiac event." They remain under prosecution on misdemeanor charges, court records show.