The firing came a week after Michael Gableman, who had led the investigation, joined former president Donald Trump in turning against Speaker Robin Vos amid the veteran Wisconsin politician’s effort to fend off a primary challenge from the right.

The haphazard, year-old inquiry was marked by meetings with conspiracy theorists, violations of the state’s public records laws and a call by Gableman to explore the legally impossible task of decertifying the election results.It did not uncover evidence of widespread fraud, though Trump and Gableman tried to suggest otherwise.

Mary Spicuzza of the Journal Sentinel posted the letter from Vos to Gableman: