Firing into a building sight unseen is a major risk and is reckless, you need to always verify your target. People have shot at shadows and killed their own children or spouses because they did not verify their intended target.
This leaves Federal Agents left to utilize non-lethal directed energy weapons (Active Denial Systems, Assault Intervention Device, Acoustic Hailing Devices, Long Range AHD and Dazzlers) which are not included in the federal injunction.
Donald Trump Says SNAP Benefits Will Be Solved For November
https://www.newsweek.com/donald-trump-says-snap-benefits-will-be-solved-for-november-government-shutdown-10956329