The Brief Richard Thompson was sentenced to seven years in federal prison for robbing a postal worker at gunpoint in Humboldt Park. He stole a USPS Arrow Key in the November 2023 robbery and was arrested in May 2024 while on pre-trial release for another charge. Thompson pleaded guilty to the federal robbery charge before Thursday’s sentencing. A Chicago man was sentenced to seven years in prison after robbing a U.S. postal worker at gunpoint two years ago in the Humboldt Park neighborhood. On Thursday, a U.S. District judge sentenced Thompson to seven years and two months in federal prison.