Suspected Long Island serial killer Rex Heuermann is due back in court today, where he's expected to be indicted on a fifth murder charge. The update comes following investigators' return to his Massapequa Park home. Heuermann has already been charged with the murders of the 'Gilgo Four,' and has pleaded not guilty.

Attorney and retired NYPD Inspector Paul Mauro discusses the chilling update within the case and explains what he's expecting from within the courtroom.

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