Charlie Kirk once unified conservative youth for Trump. Why are Republicans now turning on him?

Kirk's non-profit, Turning Point Action, is planning a $100m chase the vote' operation to help propel the ex-president to the White House, but his outsized influence is being subjected to scrutiny

Meet the election operators:
Steve Bannon

Charlie Kirk stepped out onto the stage at the Turning Point Action convention in Detroit, Michigan, this month as though it were him - and not his hero Donald Trump - who was running for president. Red, white and blue strobe lights buzzed over the 2,000-strong crowd, pyrotechnics blazed around him and bass speakers boomed out so loudly that it made your bone marrow quake.

Welcome everybody to the people's convention," Kirk exclaimed, prompting chants of USA! USA!". Then he launched into his trademark stew of far-right populism, do-or-die patriotism and Christian nationalism.