As a reporter and anchor for Boston 25 News,[3] Heinrich covered the Las Vegas mass shooting in October 2017.
[4] Heinrich joined Fox News in 2018 as a general assignment reporter in New York City.
In 2022, Heinrich was elected to a three-year term to the board of the White House Correspondents' Association.
[6] On June 17, 2024, Fox News announced that they had promoted Heinrich to Senior White House Correspondent.
[7] Heinrich was named General Assignment Reporter of the Year by the National Academy of Television Arts and Sciences, Boston/New England chapter, in 2017.