Complex sentence: The Joker announces that people will die each day unless Batman reveals his identity, first killing Police Commissioner Gillian B. Loeb (Colin McFarlane) and the judge presiding over the mob trials.
Split into simpler sentences: The Joker announces that people will die each day unless Batman reveals his identity. He then kills Commissioner Gillian B. Loeb (Colin McFarlane) and the judge presiding over the mob trials.