DuPage jewelry store manager gets 5 years for stealing gold bars

A jewelry store manager who stole bars of gold will now spend time behind sturdy bars of a less precious metal.

In a plea deal with DuPage County prosecutors, Daniel Knaack, 52, of Glendale Heights, was sentenced Monday to five years in prison after he pled guilty to one count of theft between $100,000 and $500,000.

Knaack, who managed the Naperville branch of Costello Jewelry, is alleged to have taken 15 gold bars over a period of time from the store’s branch in Glen Ellyn, according to prosecutors. He would then take the gold to a pawn shop.

Knaack had worked for the company a dozen years, Paul Darrah, the spokesman for State’s Attorney Robert Berlin, said Monday.

Based on a record of deposits in Knaack’s bank account, authorities think Knaack’s thefts netted him well in excess of $100,000. The thefts took place during a period when the Glen Ellyn store was being remodeled and Knaack would show up there under the guise of helping out, Darrah said.

However, when the company became aware of the missing bars, a check of the security video showed Knaack entering the company safe at times when he was not supposed to have been at the store, prosecutors said. As a manager, Knaack had access to the safe, prosecutor said.

Knaack can earn day-for-day credit on his sentence, meaning he could be paroled in about two and a half years.

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