The Los Angeles Times reports ( http://lat.ms/LjJ8kH) 53-year-old Gilardo Vallida Nunez is suspected of assaulting at least four victims.
Police say the victims' families had hired Nunez to document the quinceaneras, coming-of-age celebrations for girls who turn 15.
Investigators say Nunez, owner of Hollywood Photos, would video himself touching the girls inside his yellow Humvee.
Detectives served a search warrant at Nunez's Panorama City home in December. They seized computers and memory cards from cameras that were in a hidden closet.
A judge issued an arrest warrant for Nunez with a charge of felony lewd act on a child and set the bail at $1 million.
Information from: Los Angeles Times, http://www.latimes.com