House Speaker Mike Johnson raised concerns about what appeared to be a glaring security breach at a Pennsylvania rally where a shooter attempted to assassinate former President Donald Trump. 

Johnson says he’s talked to Homeland Security Secretary Alejandro Mayorkas about law enforcement’s failure to use drones and other basic security measures to protect Trump as he spoke in Butler County on Thursday evening. 

“I asked Secretary Mayorkas last night, my first question is, ‘Were drones being used in the vicinity?’ I mean, that would be an obvious thing. You would be able to spot someone on a roof,” the GOP leader said during an interview Sunday morning on the Today Show. “He didn’t know when I asked him that question.”

Thomas Matthew Crooks reportedly aimed his rifle at a Secret Service agent who approached him, forcing the agent to retreat before Crooks turned around to fire at Trump.

Johnson said there would be consequences for officials who failed to provide maximum security for Trump. 

“Congress will conduct a full investigation of the tragedy to determine where there were lapses in security,” the speaker warned in a post on X. 

Witnesses say they saw Crooks crawling up on a roof about 400 feet from the stage where Trump stood. Observers said Crooks was carrying a rifle. The rally attendees say they warned the police and Secret Service for at least two to three minutes before Crooks opened fire on the former president.

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Johnson questioned why rally attendees called out the deadly threat while the Secret Service delayed action. 

“We need to know how an individual could be at that elevation that was seen by, apparently, bystanders on the ground,” Johnson said. “How could not that not be noticed by Secret Service? Lots more questions than answers this morning.”