[13] He has worked for several other news organizations as a reporter and editor covering politics including the New York Observer,[1] Business Insider,[11] and Talking Points Memo.
[15] His coverage of the attack, which included live broadcasts from the scene at the U.S. Capitol[16] and a series of articles for Rolling Stone[2] has been widely cited[17][18][19] and was among the first reporting detailing planning efforts and communications between Mark Meadows, the Trump family,[20] members of Congress, and activists involved in attempts to overturn the 2020 U.S. presidential election.
[23] The book details Riggleman's work on the United States House Select Committee on the January 6 Attack.
Before covering politics, Walker worked in Hollywood[24] where he was employed by The Daily and helped launch its gossip section with former Page Six editor Richard Johnson.
[26] Walker has conducted exclusive interviews with several major political figures including Donald Trump,[27] Bernie Sanders,[28] Alexandria Ocasio-Cortez,[29] and Cory Booker.