Supreme Court denies Navarro's appeal, leading to his impending imprisonment in Florida.
Navarro's claim of following Trump's orders rejected; court finds he forfeited arguments challenging his conviction.
Navarro's conviction stems from defying House select committee's attempts to gather evidence on Trump's election interference.
Despite Navarro's assertion of executive privilege, court finds he failed to prove Trump's instruction to assert it.
Navarro becomes the first former Trump staffer to be incarcerated for a crime related to the Capitol attack on January 6, 2021.
Navarro to surrender for prison sentence on Tuesday, marking a significant legal development in post-Trump era politics.
Navarro's impending imprisonment highlights the legal consequences faced by those involved in attempts to subvert the democratic process.