Counsel in the Liberty and National Security Program at the Brennan Center for Justice. Expert on domestic deployment of the military.https://bsky.app/profile/josephanunn.bsky.socialhttps://bsky.app/profile/josephanunn.bsky.social/post/3moxhfgevjs2dGovernors of many U.S. states and territories have sweeping power to use National Guard troops with relatively few legal constraints, new Brennan Center research shows. This is a dangerous state of affairs that’s ripe for abuse. Legislatures must act. 1/21 https://www.brennancenter.org/our-work/research-reports/state-and-territorial-laws-governing-national-guard23 Jun 2026 13:00 +0000at://did:plc:yxawiljphq6orbomhpg3cvn5/app.bsky.feed.post/3moxhfgevjs2dhttps://bsky.app/profile/josephanunn.bsky.social/post/3lxuvwuceic26THREAD: This morning, U.S. District Judge Charles Breyer ruled that President Trump's use of National Guardsmen and Marines to support federal law enforcement in and around Los Angeles violated the Posse Comitatus Act. (1/22) https://www.cbsnews.com/news/judge-trump-los-angeles-national-guard-marines/02 Sep 2025 20:03 +0000at://did:plc:yxawiljphq6orbomhpg3cvn5/app.bsky.feed.post/3lxuvwuceic26https://bsky.app/profile/josephanunn.bsky.social/post/3lwwrpjarfs2dTHREAD: This may be legal, but it raises a host of concerns. The Trump admin has inserted the military into civilian law enforcement in an ever-growing variety of ways. Individually, these are often minor. Taken together, they start to blur the line separating the military from civilian government. [contains quote post or other embedded content]21 Aug 2025 20:27 +0000at://did:plc:yxawiljphq6orbomhpg3cvn5/app.bsky.feed.post/3lwwrpjarfs2dhttps://bsky.app/profile/josephanunn.bsky.social/post/3lwr56efq5c2wOne Week of Trump’s Attempted DC Takeover @sreynolds.bsky.social and I look at how the admin has abused legal authorities to deploy the National Guard, surge federal law enforcement, and attempt to commandeer the local police in the nation's capital. https://www.justsecurity.org/119227/trumps-dc-takeover/19 Aug 2025 14:36 +0000at://did:plc:yxawiljphq6orbomhpg3cvn5/app.bsky.feed.post/3lwr56efq5c2whttps://bsky.app/profile/josephanunn.bsky.social/post/3lwopegtqvk2zDespite the president's threats, most of what the Trump admin has done in DC this past week is not repeatable anywhere else. Those concerned about federal military intervention in other U.S. cities should instead look to the Trump admin's actions in Los Angeles as a model for what is likely to come. [contains quote post or other embedded content]18 Aug 2025 15:24 +0000at://did:plc:yxawiljphq6orbomhpg3cvn5/app.bsky.feed.post/3lwopegtqvk2zhttps://bsky.app/profile/josephanunn.bsky.social/post/3lw5u4bsbj22oTHREAD: This morning, President Trump and members of his cabinet announced a set of sweeping, unprecedented, and unwarranted actions to impose federal control over local policing in Washington, D.C.11 Aug 2025 22:33 +0000at://did:plc:yxawiljphq6orbomhpg3cvn5/app.bsky.feed.post/3lw5u4bsbj22ohttps://bsky.app/profile/josephanunn.bsky.social/post/3lvohxcxoe22rIt’s disturbing to see DHS officials pressuring the U.S. military to turn its focus ever further inward. The military's role is and should be fundamentally outward facing, while domestic civilian affairs should remain in the hands of domestic civilian authorities. https://newrepublic.com/article/198708/trump-military-anti-immigration-dhs-leaked-memo05 Aug 2025 19:46 +0000at://did:plc:yxawiljphq6orbomhpg3cvn5/app.bsky.feed.post/3lvohxcxoe22rhttps://bsky.app/profile/josephanunn.bsky.social/post/3lpac2oh4mc2bThe @nytimes.com is reporting that the Trump administration has requested deployment of 20,000+ National Guard members to help with immigration enforcement inside the U.S. This is an unprecedented move that raises a host of legal and practical concerns. 1/8 [contains quote post or other embedded content]15 May 2025 19:52 +0000at://did:plc:yxawiljphq6orbomhpg3cvn5/app.bsky.feed.post/3lpac2oh4mc2b