The Semiannual Report to Congress summarizes the results of OIG oversight, provides statistical information, and lists all reports issued April 1–September 30, 2019. During this reporting period, OIG audits, investigations, inspections, evaluations, and other reviews identified over $1.8 billion in monetary benefits for a return of $24 for every dollar invested in OIG oversight. During this reporting period, OIG issued 161 publications on VA programs and operations, made 661 recommendations, and conducted investigations that led to 131 arrests.