Perrin allegedly played a role in crafting the agreement between the prime minister's former chief of staff, Nigel Wright, and Mike Duffy to repay the Senator's inappropriate expenses. That role is outlined in an affidavit, filed in court by the RCMP last month.
While the Senate expenses scandal continues to unfold, Conservative MP Michael Chong is making a bid to fix Parliament. Many of the measures proposed in his Private Member's Bill have to do with enhancing the powers of individual members of Parliament.
Kady O'Malley will take your questions on both topics today at noon ET.
Mobile users can follow the liveblog here.