MU professor claims hearing loss in Pennsylvania lawsuit

Monday, October 10, 2011 | 7:53 a.m. CDT; updated 9:25 a.m. CDT, Monday, October 10, 2011

COLUMBIA — A lawsuit filed by an MU professor claims that she suffered permanent nerve damage when Pittsburgh, Pa., police used a device that emits pain-inducing sounds to break up a protest at a G-20 Summit meeting.