The incident occurred this month at a rally in Pennsylvania, where a gunman nearly succeeded in bringing down the 2024 Republican presidential candidate.
The resignation follows increasing bipartisan pressure and investigations by lawmakers and an internal government watchdog into the agency's handling of Trump's security.
During a House Oversight Committee hearing, Cheatle admitted to 'significant' security lapses but resisted calls for her resignation. 'I think I am the best person to lead the Secret Service at this time,' she stated.
Speaking to the media, House Speaker Mike Johnson deemed the resignation "overdue" and emphasized the need to restore public trust in the Secret Service.
Cheatle, appointed by President Joe Biden in 2022, initially insisted she would not step down following the shooting.
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