Hundreds of Mexican criminals connected to the illegal drug trade are freely plying their trades as importers, go-betweens and hitmen in Canada largely because Canada's Liberal government dropped the visa requirement for Mexican travelers.

TVA investigative journalist Felix Seguin spoke to several in-the-know sources who revealed there are 400 criminals who have recently entered Canada to traffic drugs — half of them living in Quebec while the other half are presumed to be mainly operating in the Toronto area.