During Joker 's bomb threat in Gotham City , Chief O'Hara is ordered by Commissioner Gordon to light the Bat - Signal .
During Joker 's bomb threat in Gotham City , Chief O'Hara is accompanies Commissioner Gordon to confront Joker and those involved .
During Joker 's bomb threat in Gotham City , Chief O'Hara is ordered by Commissioner Gordon to light the Bat - Signal and accompanies Commissioner Gordon to confront Joker and those involved .