By Hanie Pertman - Southern News

OTTAWA -- Even before the one-hour radio drama begins, the CBC has a warning for listeners.

Compelling account of ugly chapter in Canadian military history

Sunday Morning has never warned listeners to shoo their kids out of the house.

What emerges is an ugly study of soldiers out of control, of officers who were not doing their duty, of contradictory recollections of this terrible night, and sometimes outright denials of any knowledge of what was happening.