In Re Katz

FARRELL, Associate Judge:

The District of Columbia, on behalf of Saint Elizabeths Hospital, appeals from a pretrial order of the trial judge barring the admission of certain evidence at appellee’s impending civil commitment trial. Specifically, Judge Block ordered that “in the trial of this case the government is precluded (ie., directly and/or collaterally estopped) from presenting all evidence relating to likelihood of harm due to mental illness which antedates July 11,1991,” the date on which a jury had previously refused to order civil commitment of appellee. After Judge Block certified…