The news organization Cal Matters investigated the effectiveness of California’s gun safety laws in domestic violence cases a few years ago, and it found that many domestic abusers never turn in proof that they had relinquished their firearms as required by law.

There it was — the headline flashing across phones and computer screens — the San Clemente hillside below Casa Romantica was giving way, and the rail tracks below were in danger. Train operations ceased “for the foreseeable future.”