 Deepa Shivaram, NPR News, the White House. The Secret Service is facing questions about why the shooter was allowed to get so close to Trump. President Biden says he's ordered an independent investigation and congressional lawmakers say they're investigating too. This comes as the Republican National Convention is opening in Milwaukee to nominate Trump for president. Audrey Gibson-Sicino is the Secret Service coordinator for the event. She says the Secret Service is not making changes to its operational plans for the convention.