A bulletin from the Department of Homeland Security and the Federal Bureau of Investigation was sent to law enforcement agencies warning of increased threats after the FBI executed a search warrant at former President Trump’s Florida estate. In the days since the warrant was executed, the FBI and DHS have seen an increase in “violent threats” against law enforcement, judicial and government personnel, including a specific threat to “place a so-called dirty bomb in front of headquarters FBI offices. ” according to the bulletin. “General calls” for “civil war” and “armed rebellion” have also increased in recent days on social media. The bulletin says many of the threats include references to the allegation that the 2020 election was stolen, among other allegations of government overreach. GUNMAN WHO TRIED TO BREACH FBI OFFICE IN OHIO KILLED AFTER SIX-HOUR STANDOFF WITH POLICE Former President Donald Trump in New York after the FBI raided his home in Mar-a-Lago, Florida. (Felipe Ramales/Fox News Digital) Many of the threats are specific, according to the release, which states that “the FBI and DHS have identified multiple verbal threats and calls for the targeted assassination of law enforcement and government officials related to the Palm Beach investigation, including of the federal judge who authorized the Palm Beach search warrant.” The bulletin mentions an incident on August 11 when a person “attempted to force his way into the FBI office in Cincinnati.” The person, Ricky Shiffer Jr., reportedly fled the scene when officers responded and then got into a confrontation with law enforcement officers and FBI agents. He was shot and killed after the six-hour standoff. FBI agents executed a search warrant at Trump’s Florida estate on Monday and seized items, including 11 sets of material listed as classified, as well as some classified as top secret. FBI AGENTS, GARLAND, RAY SEE INCREASED DEATH THREATS AFTER TRUMP MAR-A-LAGO ATTACK: SOURCES General view of the J. Edgar Hoover Building in Washington, DC (Reuters/Mary F. Calvert) In a post on Truth Social after the warrant was made public on Friday, Trump said the documents obtained by federal agents were “all declassified.” “Number one, it was all declassified. Number two, they didn’t have to ‘grab’ anything. They could have it whenever they wanted without playing politics and breaking into Mar-a-Lago. It was in secure storage, with an additional lock placed according to their request…” Trump said. “They could have had it whenever they wanted—and that includes a LOT OF PAST. ALL THEY HAD TO DO WAS ASK. The bigger problem is, what are they going to do with the 33 million pages of documents, many of which are classified, that President Obama went to Chicago?’ CLICK HERE TO GET THE FOX NEWS APP A police officer speaks with a woman outside former President Donald Trump’s Mar-a-Lago home after Trump said FBI agents raided it, in Palm Beach, Florida, on August 8, 2022. (Reuters/Marco Bello) The National Archives and Records Administration said in a press release that Ex President Obama he does not control presidential records from his administration. Jacqui Heinrich of Fox News contributed to this report. Adam Sabes is a writer for Fox News Digital. Story tips can be sent to [email protected] and on Twitter @asabes10.