Mr. Greenberg spoke to a standing-room-only audience in Bobbitt Auditorium on September 13 about more recent history for the annual Coy James Memorial Lecture. Through remarks titled "Finding Truth in Police Killings of Young Black Men," Greenberg explored police justification in the 1962 death of Army Cpl. Roman Ducksworth, Jr., and the 2014 death of teenager Michael Brown.