GLAMIS — A 42-year-old Los Angeles man who had just arrived in this area to enjoy some off-roading activities with his son was killed when his quad plunged off the back side of a steep sand dune.
John Maccini II died at the scene shortly before 8 p.m. Thursday from injuries sustained when his head struck he handlebars of the quad he was riding, said county Coroner Investigator Deputy Rick Williams.
Maccini had just arrived with his son and a group of others in the Glamis area at 6 p.m. The group had unloaded their gear and their vehicle.
Maccini, on his first ride of the evening, took off on a quad. About 300 yards from the camp site, he rode up a dune, which had a nearly vertical drop on the back side.