Students at the International Human Rights Clinic at the University of Chicago Law School collected lethal force policies at police departments in the nation’s largest 20 cities and compared them with international human rights law.

None of the police departments met minimal standards under human rights law, according to the study, published in the University of Chicago Law Review. The policies were in effect during 2017 to 2018.

Standards should require necessity, proportionality and accountability, and they should require officers to protect and enable individual human rights, according to the law review article. In addition, authority for use of lethal force should be provided in a state law that complies with international standards.

Read more at ABA Journal