November 21, 2014 6:55 pm Knee Freezing Could Relieve Intense Pain The technique of knee freezing is new and expensive, but may provide some relief. Dr. Bruce Hensel reports for the NBC4 News at 6 p.m. on Friday, Nov. 21, 2014. US & World Videos 18:12 Police begin to clear protesters from USC campus 2:34 Campus police union blames UCLA for violent response 3:18 USC's commencement preparation includes increased security patrol 1:56 1 person killed after car crashes into South LA church 3:30 Protest on USC campus continues ahead of graduation
