Shawn worked as a reporter for WNYC TV at NYC City Hall during the Mayor Koch Years and WNYW (FOX) and WPIX in New York before joining Fox News' affiliate news service, Fox News Edge as the Fox Network Anchor and Correspondent. Shawn has covered many of the major national and international stories over the past few decades, including: the Gulf War, the 1992 Clinton campaign, the Democratic and Republican national conventions, and the O. J. Simpson murder case among many other breaking stories.[1]
In 2001, Mafia hitman Frank Sheeran told Shawn that he shot labor leader Jimmy Hoffa in a house in Detroit on July 30, 1975, and Shawn led the team that found blood evidence on that house's floor in 2004. Shawn's efforts led to the publication of the book I Heard You Paint Houses and the film The Irishman.” He is the anchor of the special Fox Nation series about the Hoffa case, “Riddle: The Search For James R. Hoffa.”
Shawn anchored on Fox News Channel on election night in 2014 and 2016 and has produced and reported a variety of documentary specials, including "Riddle: The Search for James R. Hoffa" on the streaming service Fox Nation. He currently co-anchors the weekend programs of 'America's News Headquarters" with Arthel Neville as well as anchors during the week and serves as the Senior Correspondent for the network.