Federal authorities are offering a $25,000 reward for tips leading to the arrest and conviction of a man who robbed a mail carrier in the South Shore neighborhood.
A man on a bicycle allegedly confronted the postal worker with a knife about noon Oct. 17 in the 2600 block of East 74th Place, according to the U.S. Postal Inspection Service.
The suspect was wearing a black face mask and sweatshirt. No injuries were reported.
Anyone with tips is asked to callthe U.S. Postal Inspection Serviceat 877-876-2455.