Surveillance footage shows bystander tackling suspect who allegedly breached TSA checkpoint at Atlanta airport after knocking down security officer.

A crowd of protesters gathered at the Plaza Mexico shopping complex in Lynwood on Wednesday night after a group of TSA agents who were eating at a restaurant were mistakenly identified as federal immigration agents.

U.S. Secretary of Homeland Security Kristi Noem held a news conference on Saturday, where she discussed technology development and investment in the Transportation Security Administration.

TSA officers stopped tens of thousands of terror-linked travelers from flying and seized dozens of loaded firearms at Miami International Airport over the last year, according to Noem.

The new policy will help cover the cost of verifying the identity of travelers with insufficient ID, the TSA says.

As reported by Fox News, the suspect is shown to approach the security screening area at a pace before aggressively pushing past the TSA agent, which subsequently knocked the officer to the ground. The TSA officer yelled 'breach', which then saw a bystander turn around and jump into action.

It's easy to lose track of your items while shuffling through TSA, and if you leave something behind, the fate of your belongings lies with the security agents.

Republicans raised concerns about the government services that could see a funding lapse on Sunday if the country plunges into a second shutdown in three months.