Fifth Navy medic could face charges in Twentynine Palms death probe case A fifth U.S. Navy corpsman could face charges in connection to the death of another corpsman in a shooting that happened on a SoCal marine base. and last updated 2021-04-30 20:01:09-04 TWENTYNINE PALMS, Calif. (KGTV) - A fifth U.S. Navy corpsman could face charges in connection to the death of another corpsman in a shooting that happened on a SoCal marine base. A corpsman is a type of medic. In a major development, the military confirmed that the fifth Navy corpsman could be charged in connection to the death of fellow corpsman HM3 Michael Vincent De Leon in a shooting at the Twentynine Palms Marine Corps base, located northeast of San Diego.