 The lawmakers likely did it for publicity as Blackburn posted the interference to social media. The director said she has no intention of resigning. Representative James Comer initially said that the Secret Service committed to her attendance, but that Homeland Security officials appeared to intervene and that there's been no meaningful updates or information shared with the committee. Days after the assassination attempt of Trump, Chicago police are stressing the city's preparedness for next month's Democratic National Convention. Chicago is set to host the DNC from August 19th through the 22nd.