Kimberly Cheatle has resigned as the director of the Secret Service following an assassination attempt against former President Donald Trump, which raised scrutiny over the agency's security protocols. Cheatle, who had been in the role since August 2022, acknowledged in her resignation email that she takes full responsibility for the security lapse, describing it as the agency's 'most significant operational failure' in decades. Her departure came a day after a contentious congressional hearing where she faced bipartisan criticism for failing to adequately explain how the shooter, Thomas Matthew Crooks, was able to get so close to Trump during a rally in Pennsylvania. Despite requests from agents for enhanced security measures, some were reportedly denied due to resource constraints. The incident has prompted multiple investigations into the Secret Service's actions leading up to the shooting. Cheatle's resignation highlights the ongoing challenges faced by the agency in ensuring the safety of public figures.