...career criminals who were in other fields of crime, such as drug dealing and home burglaries, have migrated to auto burglary. According to Martin, this was motivated by a sense of self-preservation. Drug dealers are at risk of violence from territorial beefs with other dealers and are themselves vulnerable to armed robbery. Breaking into homes, meanwhile, can result in a violent encounter with a resident and heavier sentences for those who are convicted. But to be sentenced for any crime, you first must be arrested. And car thieves, it seems, couldn’t help noticing that, in recent years, there was little chance of an arrest being made in San Francisco. “If you have a 98 percent chance of getting away with a crime, you’ll commit it again,”...