Oil pipeline opponent uses 'necessity defense' -- What is it?

An encampment called the Oceti Sakowin Camp near the Standing Rock Sioux Reservation in on Saturday, Nov. 19, 2016.
Ann Arbor Miller for MPR News 2016
Go Deeper.
Create an account or log in to save stories.
Like this?
Thanks for liking this story! We have added it to a list of your favorite stories.
