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Gas station robbery suspect arrested after returning as customer hours later: Crystal Lake police

He allegedly held a knife to the clerk’s neck, police say.

Charges have been filed in a Crystal Lake robbery on Nov. 1, 2020.
Charges have been filed in a Crystal Lake robbery on Nov. 1, 2020.
Sun-Times file photo

A man who allegedly robbed a gas station in Crystal Lake on Sunday was arrested after returning later that day as a customer and being recognized by a clerk, police said.

About 1 a.m., Dieter Bierwirth allegedly entered a Marathon station, 770 S. Virgin Road., and demanded money while pointing a large knife at a clerk’s neck, Crystal Lake police said in a statement.

Bierwirth allegedly left the station with an undisclosed amount of money.

Later that day at 1:30 p.m., police responded to the same gas station after Bierwirth walked in as a customer and a clerk recognized him, police said. Bierwirth allegedly left but was later located by officers and arrested.

Proceeds of the robbery were allegedly found at Bierwirth’s home, police said.

He is being held at the McHenry County Jail on $25,000 bail on charges of armed robbery, commercial burglary, theft and unlawful possession of a controlled substance.

Bierwirth is due back in court Thursday.