After the 2020 presidential election, as some Trump supporters falsely claimed that President Biden had stolen the office, many of them displayed a startling symbol outside their homes, on their cars and in online posts: an upside-down American flag.
One of the homes flying an inverted flag during that time was the residence of Supreme Court Justice Samuel A. Alito Jr., in Alexandria, Va., according to photographs and interviews with neighbors.
The upside-down flag was aloft on Jan. 17, 2021, the images showed. President Donald J. Trump’s supporters, including some…