IRS Criminal Enforcement Slides

"As Congress continues to reduce its overall support of the Internal Revenue Service (IRS), the chances that the IRS will at some point recommend a taxpayer for criminal prosecution have significantly declined — from 13.3 per million population in FY 2013 to 9.2 per million in FY 2015. This level is the lowest seen during the Obama Administration.

The reduction in the number of IRS matters referred to federal prosecutors appears to be directly related to the drop in the number of the agency's criminal investigators, which has been cut back 16 percent over the last five years..."

IRS