Well based on Jason Kenney's twitter, it seems like they have been refocusing some of their resources to catch fraudulent PRs, sigh!!! (see below
Jason Kenney @ kenneyjason
We have also identified some 7500 permanent residents who we believe are involved in residency fraud to illicitly obtain citizenship
Jason Kenney @ kenneyjason
We intend to revoke citizenship from 3140 people who we believe obtained it fraudulently. Canadian citizenship is not for sale.
Jason Kenney @ kenneyjason
We have now identified nearly 11,000 cases of suspected residency fraud. We're protecting the value of Cdn citizenship: http://is.gd/30CI3u