Experts say dangerous warning signs are missed in parents who could harm or kill their child. Up to 40 kids are killed this way each year in Canada. CTV W5 looks into why this is happening, and if there are ways to prevent it.

The Millionaire Murders: Who killed Daniel Langlois and Dominique Marchand?
23:26

Narco Jungle: The Darien Gap – One of the world's most dangerous migrant routes
44:47

The Cult Queen: A charismatic leader holds a Saskatchewan town hostage
45:07