Tyler Robinson, 22, is in custody and now faces charges including aggravated murder, felony firearm discharge causing serious bodily injury, and obstruction of justice. Investigators recovered a rifle and bullet casings etched with references to fascism and internet memes, and they are assessing evidence that may indicate a political motive. National leaders from both parties condemned the shooting, President Trump ordered flags to half-staff, and he told NBC News a radical left faction stands in the way of healing. Campaigns and colleges are reassessing security for public events, with lawmakers and strategists warning of a chilling effect on appearances and candidate recruitment. Turning Point USA announced a public memorial at State Farm Stadium on Sept. 21, and Trump has said he plans to attend.