NBA head coach Chauncey Billups and player Terry Rozier were arrested last Thursday along with dozens of others in a massive mafia-linked gambling investigation.

Authorities say one scheme focused on insider sports betting and another on rigged poker games tied to the Mafia,to steal millions from victims over a number of years. 

The CBC's Katie Nicholson breaks it down for us and former Canadian Olympian and co-chair on campaign to Ban Ads for Gambling.