Professor David Harris gave testimony on April 17, 2012 at a hearing of the U.S. Senate Subcommittee on the Constitution, Civil Rights and Human Rights. The subject of the hearing was "Ending Racial Profiling in America." Professor Harris was invited to the hearing by Senator Dick Durbin of Illinois, who chaired the hearing. Professor Harris testified that racial profiling harms the efforts of police and law enforcement agencies, whether the context is drug interdiction, anti-terrorism, or immigration enforcement. The hearing was televised live on C-SPAN and reported on National Public Radio.
The link for the C-SPAN telecast is here; Professor Harris's testimony begins at 1:06.
The link for the story on NPR's All Things Considered is here.