The National Park Service said that the French visitor died on Aug. Pierre Michel Formosa, 68, was found dead earlier this month after his vehicle got stuck in the mud in a remote area of the infamous national park. Key points and original sources are listed below.

• The National Park Service said that the French visitor died on Aug. 17 after he and his travel companion were driving on West Side Road when their vehicle became stuck in mud.S1

• Pierre Michel Formosa, 68, was found dead earlier this month after his vehicle got stuck in the mud in a remote area of the infamous national park.S2