I want to say that that provision was removed from courthouses not to long ago but I'm not 100%.
I think I understand the intended meaning of the above text, but it's not a coherent sentence according to any English rules of grammar and orthography, so I can't be totally sure. Maybe the judges should spend less time on security theater and more on literacy.NOTICE: ALL PERSONS ENTERING THE COURTHOUSE WILL BE ELECTRONICALLY SCREENED FOR WEAPONS, POCKET KNIVES, CHEMICAL AGENTS SUCH AS MACE, AND ANY ITEM THAT COULD BE USED AS A WEAPON WILL BE CONFISCATED AND NOT RETURNED.