WASHINGTON — Longstanding U.S. concerns about the threat posed by Iran and its agents on U.S. soil intensified in the hours after the 2020 assassination of a prominent Iranian military commander, as the Department of Homeland Security tightened security at thousands of federal buildings increased the possibility of retaliation, according to current and former senior US officials.
That effort, which one official said was codenamed Operation Resilience, stemmed in large part from concerns that Iran would use its second-in-command Hezbollah to attack the US homeland in response to the killing in a US airstrike in Baghdad . The slain Commander, Major General. Kassem Soleimaniheaded Iran’s Quds Force, an elite force responsible for Iran’s shadow wars and military expansion.
https://www.wsj.com/articles/u-s-secretly-bolstered-security-at-federal-buildings-against-possible-iranian-attacks-after-soleimani-killing-11660325178 U.S. Secretly Bolstered Security at Federal Buildings Against Possible Iranian Attacks After Soleimani Killing