Canada plane crash mystery deepens with two murder suspects among dead

Investigation into the crash at Sioux Lookout revealed two of four passengers were fleeing murder and conspiracy charges

A plane crash in the rugged hinterlands of Canada during seemingly calm weather has prompted a federal investigation into what could have brought down the small aircraft.

But revelations that two of the passengers were fleeing murder and conspiracy charges and had links to organized crime have only deepened the mystery over the doomed flight.