Mount Baldy Road near Stoddard Canyon Falls in the San Gabriel Mountains.

A young man is in custody on suspicion of killing his father near a busy waterfall in the San Gabriel Mountains, officials said.

First responders were called to Mount Baldy Road, near Stoddard Canyon Falls, shortly before 3:30 p.m. Saturday. Upon arrival, they discovered a man suffering from trauma to his upper........

© SFGate