Video: Letter carrier uncovers treasury check scam

KUSA – A letter carrier uncovered a scam that nets billions of dollars each year.

Richard Russo has been a letter carrier for 13 years and knows the people who live on his route. He became suspicious when he started seeing one address getting multiple treasury checks with different names.

"I was delivering the mail and noticed the names did not match the people who lived at the house, " Russo said. "I started collecting the checks and brought them back to the office."

Now the U.S. postal service is investigating.

Read more: Letter carrier uncovers scam used to steal billions of dollars |