Charbonneau commission: A look back at inquiry's explosive testimony and key witnesses

As the Charbonneau commission into corruption in Quebec's construction industry draws to a close, here's a look back at the key witnesses and the explosive testimony.

Former premier Jean Charest's Liberal government enacted corruption inquiry in 2011 amid public pressure

On Tuesday, Justice France Charbonneau will hand down her final report on allegations of widespread corruption in Quebec's construction industry.

The long-awaited report is the culmination of four years of work: The corruption inquiry was first announced in October 2011 by former Liberal premier Jean Charest.

The Charbonneau commission heard from 291 witnesses over 261 days of testimony spread out over three-and-a-half years.

As the commission draws to a close, here's a look back at some of the key witnesses and the explosive testimony heard by Charbonneau and her fellow commissioner, former Quebec auditor general Renaud Lachance.