This is what's at issue in the Lac-Mégantic trial

Jury deliberations in the trial of three men charged in connection with the Lac-Mégantic railway disaster entered their ninth day on Friday.
Tom Harding, Richard Labrie and Jean Demaître are charged with criminal negligence relating to the July 2013 tragedy that left 47 people dead after a runaway train carrying crude oil derailed and exploded. 
Harding was the train’s engineer, Labrie the traffic controller and Demaître the manager of train operations.
The jury beg