Recently it was made known that many judges carry concealed, under their robes, in a courtroom which is presumably a "gun-free zone". This would strongly imply that the judges do not expect it to be a gun-free zone, and are concerned for their safety. It is reasonable to expect the same kind of protection, self-preservation, for the attorney(s) present.
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A Delaware court shooting has left three people dead, including the alleged shooter, now identified as Thomas Matusiewicz.