What are the police for? Producer B.A. Parker started wondering this back in June, as Black Lives Matter protests and calls to “defund the police” ramped up. The question led her to a wild story of a stabbing on a New York City subway train, and the realization that, according to the law, the police don’t always have to protect us. Producer Sarah Qari joins Parker to dig into the legal background, which takes her all the way up to the Supreme Court... and then all the way back down to on-duty officers themselves.

This episode contains strong language and graphic violence.

Reported and produced by B.A. Parker and Sarah Qari, and produced by Matt Kielty and Pat Walters.

Special thanks to April Hayes and Katia Maguire for their documentary Home Truth about Jessica Gonzales, Cracked.com for sending us down this rabbit hole, Caroline Bettinger-López, Geoff Grimwood, Christy Lopez, Anthony Herron, Mike Wells, and Keith Taylor.

Support Radiolab by becoming a member today at Radiolab.org/donate.    

Hi Radiolab listeners, we want to hear from you! Take this podcast survey and let us know how you feel about the show. It only takes about 20 minutes and your feedback will help us make our podcast better! There are no wrong answers, we want your honest takes. You can help out by taking the survey here (www.radiolab.org/survey).