'Unsolved Mysteries: Volume 5' trailer promises to finally tackle the big one

In Season 5, Netflix's "Unsolved Mysteries" is looking into one of the biggest cases of all: the Roswell incident.

'Unsolved Mysteries: Volume 5' trailer promises to finally tackle the big one
In Season 5, Netflix's "Unsolved Mysteries" is looking into one of the biggest cases of all: the Roswell incident.