United States Marshals Service
The United States Marshals Service (USMS) is a federal law enforcement agency in the United States. The Marshals Service serves as the enforcement and security arm of the U.S. federal judiciary, although it is an agency of the U.S. Department of Justice andoperates under the direction of the U.S. Attorney General.
https://en.wikipedia.org/wiki/United_States_Marshals_Service
HSI lapel pin
https://www.thegatewaypundit.com/2024/07/it-was-setup-senator-hawley-whistleblowers-most-trump/
Senator Hawley wrote thatwhistleblowershave notified him that a majority of the security officials working the rally last weekend were not even Secret Service personnel but were with theHomeland Security Investigationsteam!
HSI is a branch of DHS, which of course is Mayorkas.