Deadly Cabazon copter crash investigated: 'This should never happen'
By Alex Wigglesworth, Alexandra E. Petri & Hayley Smith
California firefighting helicopter crashes after mid-air collision during fire response, multiple dead
By Landon Mion
NTSB investigating a helicopter collision that left 3 dead while battling Southern California fires
By Michelle M. Watson & Elizabeth Wolfe
3 dead in firefighting helicopter crash in California after midair collision with 2nd helicopter
By Marilyn Heck & Kevin Shalvey
California: Three killed in firefighting helicopter crash
By Kathryn Armstrong