57 members of Buffalo police riot response team resign after shoving incident

Critical thinking...WWYD:   Did the officers know he was 75 years old and did not have a gun?  

"Our position is these officers were simply following orders from Deputy Police Commissioner Joseph Gramaglia to clear the square," Evans said. "It doesn't specify clear the square of men, 50 and under or 15 to 40. They were simply doing their job. I don't know how much contact was made. He did slip in my estimation. He fell backwards."