 At President Biden's direction, an independent review of the incident will be conducted, one that will examine the Secret Services and other law enforcement actions before, during, and after the shooting. NPR's congressional correspondent Claudia Grisales has been covering this and joins us now. Good morning, Claudia. Good morning. I understand you've spoken with officials from both Butler County in Pennsylvania and the Secret Service, current and former. What kind of things did you hear?