That would be a chemical weapon attack. Period. Arrest them with no bail. Now.
O’Keefe’s twitter is well worth watching. Looks clear that LE is on to this plan and action will be taken.
https://twitter.com/JamesOKeefeIII?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Eauthor