Human error • 25%

Communication failure • 25%

Security protocol lapse • 25%

Other • 25%

Secret Service planning failure • 25%

Coordination issues between agencies • 25%

Local law enforcement failure • 25%

Other • 25%

Lack of coordination among security agencies • 25%

Insufficient security personnel • 25%

Failure in intelligence gathering • 25%

Other • 25%

Secret Service oversight • 25%

DHS procedural lapses • 25%

FBI intelligence failure • 25%

Other • 25%

Human error • 25%

Technical failure • 25%

Insufficient resources • 25%

Other • 25%

Security Lapses • 25%

Political Motivations • 25%

Intelligence Failures • 25%

Other • 25%

Communication gaps • 25%

Technical difficulties with drones • 25%

Lack of diligence • 25%

Complacency among agents • 25%

Increased security at future rallies • 25%

Arrests made • 25%

No significant action • 25%

Other • 25%

FBI • 25%

Secret Service • 25%

Local Pennsylvania Police • 25%

Joint Task Force • 25%

Secret Service • 25%

Department of Homeland Security • 25%

FBI • 25%

ATF • 25%

Private security firm • 25%

Trump International Golf Club staff • 25%

Local law enforcement • 25%

Other • 25%

Human Error • 25%

Insufficient Security Measures • 25%

Intelligence Failure • 25%

Other • 25%