State police interviewed 100 people, gathered 1,000 pieces of evidence
The Pennsylvania State Police has interviewed 100 people and gathered 1,000 pieces of evidence in the investigation into the homicide of Corey Comperatore and the two others injured in the shooting, Pennsylvania State Police Col. Christopher Paris told the House Homeland Security Committee on Tuesday. The state police is also investigating the U.S. Secret Service counter sniper who shot the gunman as an officer-involved shooting.
Paris said the state police had two main responsibilities: to assist the Secret Service with the motorcade and staff security posts within the secure perimeter.
The state police had 32 troopers staffed for the July 13 rally, he said.
![](https://i.abcnewsfe.com/a/73b0e1e9-9448-4deb-af0c-598d56c5e150/trump-butler-rally-rt-lv-240714_1720966281294_hpMain.jpg)
Paris said the Secret Service notified the state police about the rally on July 5.
An initial planning meeting with law enforcement agencies was held on July 8. State police participated in a walk-through at the Butler Farm Show Grounds on July 11.
The state police said it provided all resources requested by the Secret Service.
-ABC News’ Luke Barr and Mike Levine