Need To Know Coming Up On NTK: Policing In America Vs. Policing In Rochester WXXI News Published August 17, 2015 at 6:00 PM EDT Facebook Twitter LinkedIn Email http://youtu.be/EbB8ch8PQ-4Watch Need to Know with host Hélène Biandudi Hofer Thursdays at 8pm on WXXI-TV, Channel 21.1 and Cable 11 or 1221.