Justice Served in Seven-Year Cold Case | Washington DC News

A chilling cold case from Baltimore finally closes: Dion Thompson sentenced to life plus 33 years for murdering off-duty D.C. police sergeant Tony Mason Jr. in a 2017 ambush that left Mason dead and his partner injured. After years of investigation and evidence piecing, Thompson was charged in April 2024 — bringing justice to a fallen hero remembered as a devoted father, husband, son, and public servant. Thank you to our sponsor Garrett Waller Performance: http://coaching.garrettwaller.com Listen in comfort:Get a discount on a Soli Pillow: http://solipillow.com/discount/dnn. Advertise on DNN:[email protected] This is an automated, high-level news summary based on public reporting.Report issues to [email protected]. View sources & latest updates:https://sources.thednn.ai/b18a4b6f3e4155de