ieExplains: What's going on with the recent Sinn Féin scandals?

Mary Lou McDonald and Brain Stanley.

What’s the story with Sinn Féin?

Where to start! A number of scandals have rocked the party in the past week or so. Serious questions are being asked about who knew what and when. Was enough done? Was there a cover-up? Is Sinn Féin more concerned about protecting itself than doing the right thing?