KSTP's piece, "Prisoners Ride the Bus," was honored for outstanding investigative reporting at Monday night's News & Documentary Emmys in New York. It tied with KHOU in Houston. The only other regional winner: KPIX in San Francisco for outstanding Spot News.

Investigative reporter Bob McNaney worked on "Prisoners," along with producer Mike Maybay and assistant news director Sam Zeff.

The piece deals with how the US government is using bus companies to transport unescorted prisoners. Maybay priased McNaney's investigatve work. "It's very exciting and humbling," Maybay said. "I'm glad to be able to do this kind of work."

The big overall winner Monday night was CBS News, which took home seven Emmys. NBC was right behind with six.

Bob McNaney/KSTP