JOLIET, Ill. (CBS) – Prosecutors and defense attorneys on Friday met with the judge in the Drew Peterson trial –- sometimes behind closed doors –- as they made final preparations for closing arguments next week.

How long the closing arguments can be and what measures will be taken to protect the integrity of the jury were not disclosed, CBS 2’s Mike Puccinelli reports.

Will County State’s Attorney James Glasgow had no comment when he was asked about whether jurors would be sequestered.

He was clearly pleased, however, that Judge Edward Burmila rejected a defense request to throw out the case for lack of evidence.

The defense team, meanwhile, walked out feeling confident because the jury will hear a special instruction regarding the use of “hearsay” testimony.

Peterson, a retired Bolingbrook police sergeant, is accused of murdering his third wife, Kathleen Savio, in 2004. The death was originally ruled an accident, but Peterson’s fourth wife, Stacy, disappeared.

Closing arguments are scheduled to begin Tuesday at the Will County courthouse.

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