The Associated Press, The Guardian US, Reveal from The Center for Investigative Reporting and Pittsburgh's WTAE-TV have won top honors as "best of show" winners in the 82nd National Headliner Awards.

For The Associated Press, Margie Mason, Robin McDowell, Martha Mendoza and Esther Htusan won first place in the newspaper category for "Seafood from Slaves."

The AP's Santi Palacios received top honors in photography for "Coming Ashore."

At the Guardian US, Jon Swaine, Oliver Laughland and the Guardian US staff were awarded the top spot in online for "The Counted."

In radio, G.W. Schulz, Michael Montgomery and Michael Corey from Reveal from The Center for Investigative Reporting won for "Inside America's Coldest Cases."

Paul Van Osdol, Sally Wiggin and Michael Lazorko of WTAE-TV took the grand award in television for "CHRONICLE: Burning Questions.