"This ordeal has been created to cause an incredible amount of strain on my family", said the defiant governor, who had repeatedly called the investigations against him a "witch hunt", borrowing a favorite phrase of President Donald Trump.
Gardner ended her statement with an uplifting call for unity: "It's time for us to come together, to heal the wounds of the city and state, to build a place where people feel they are heard..." "I cannot allow those forces to continue to cause pain and difficulty to the ones I love". That love remains. I am thankful for all those who worked beside me, sweated beside me.
"I have not broken any laws", he said at Tuesday's news conference.
He concluded: "For the moment let us walk off the battlefield with our heads held high".
At his house, she testified that Greitens told her he thought she hadn't "been treated good in so long" and wanted her to exercise.
Greitens said his resignation would take effect Friday.
The investigation was reportedly setting the foundation for possible impeachment charges.
The governor was indicted in February with invasion of privacy, but the charge was dropped this month, with the proviso that it could be re-filed. But the specter of those charges being refiled hampered what Greitens could say and do on both fronts, Roe said.
Greitens also was charged in April for allegedly using a charity donor list for political purposes. The AP reported that Greitens' campaign had raised almost $2 million from those who had previously given significant amounts to the veterans' charity.
"The politics of this entire circus around Governor Greitens has always been concerning", he said.
Greitens is the first Missouri governor to resign since 1857.
Circuit Attorney Kimberly Gardner will dismiss a felony computer-tampering charge against Missouri Gov. Eric Greitens as part of an agreement reached with his attorneys, Gardner announced Wednesday. She said he did not want to be seen in public with her because he was running for office.
Greitens said that the investigation that he faces is too intense for him to continue to serve as the governor of Missouri. He admitted the affair with the woman, who was his hairdresser, but denied any criminal wrongdoing. He declined to say whether he took a photo.
He campaigned as a political outsider in 2016, winning an expensive Republican gubernatorial primary and then defeating Democratic Attorney General Chris Koster in the general election to give Missouri Republicans control of the governor's mansion for the first time in eight years. The investigations of him widened to include questions about whether he had violated the law in financing his campaign. Greitens repeated that claim Tuesday.
Gov. Eric Greitens has finally put an end to the sham that was his 17-month term in office. On Monday, he spoke with attorney Catherine Hanaway about her legal defense of Greitens' campaign, which already had turned over thousands of documents to a House investigatory committee. The Confide app prevents recipients from saving, forwarding, printing or taking screenshots of messages.
A man secretly recorded his wife admitting in March 2015 to the liaisons with Mr Greitens.