Dense fog had rolled into the area around the time the plane was approaching the airport. Visibility was at half a mile at 3:55 a.m. and had dropped to a quarter of a mile just after 4 a.m. in the area around Marine Corps Air Station Miramar, which is just a few miles north of the crash site, according to the National Weather Service.

The men were among several killed in a May 22 plane crash near San Diego. Both were at Pierce the Veil's sold-out MSG show. Here's what to know.