https://phys.org/news/2018-08-boston-police-body-cameras-northeastern.html

The potential benefits of the body cameras extend beyond mutual trust, according to Jack McDevitt, co-author of the study and associate dean for research at Northeastern's College of Social Sciences and Humanities.

"One of the surprises was how valuable these videos are at trial for both prosecutors and defense attorneys," he said. "Both sides said they believe videos make the results of court actions more just."