The Posse Comitatus Act was passed in 1878 as the Reconstruction drew to a close and troops were pulled out of the southeastern United States. The idea was to prevent the military from enforcing laws. After all, that’s what law enforcement is for — state and local police forces are the ones deputized to do that work. But what does it mean when the police use military gear and tactics to enforce that law? Ashley Farmer, Assistant Professor of Criminal Justice Sciences at Illinois State University breaks it down.

• CLICK HERE: Visit our website to see all of our episodes, donate to the podcast, sign up for our newsletter, get free educational materials, and more!
• To see Civics 101 in book form, check out A User's Guide to Democracy: How America Works by Hannah McCarthy and Nick Capodice, featuring illustrations by Tom Toro.
• Check out our other weekly NHPR podcast, Outside/In - we think you'll love it!

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.