Overview

• A court affidavit outlines planned counts of aggravated homicide, criminal discharge of a firearm and obstruction of justice against Tyler Robinson.
• Police recovered a Mauser Model 98 rifle and spent casings engraved with political and mocking phrases, with Discord logs and a family tip helping identify the suspect.
• A 3D reconstruction and security-camera review track an 8:29 a.m. campus arrival, positioning on the Losee Center roof and a single 12:23 p.m. shot from roughly 131 meters.
• The timeline highlights security gaps at the event, including limited campus police staffing, a small private team and unmonitored access to elevated areas.
• Gov. Spencer Cox says Robinson is not cooperating and was described by associates as left-leaning and steeped in dark online subcultures, while President Trump plans to attend the Sept. 21 funeral and has urged the death penalty.