Boat fire wreckage taken to navy base for investigation

The burned hull of the Conception is brought to the surface by a salvage team, Thursday, Sept. 12, 2019, off Santa Cruz Island, Calif., in the Santa Barbara Channel in Southern California. The vessel burned and sank on Sept. 2, taking the lives of 34 people aboard. Five survived. (Brian van der Brug/Los Angeles Times via AP)

LOS ANGELES — Federal investigators identified a violation of Coast Guard regulations that could trigger criminal charges in the California dive boat disaster that killed 34 people.