Richard T. Lambert, 55, of Beach Park.

A sex offender on probation in Lake County for failing to comply with his registration has been charged with trying to bring someone else’s urine to pass his drug test.

Richard T. Lambert, 55, of Beach Park, was charged with attempting to foil a drug screen test, a Class 4 felony.

Lake County Assistant State’s Attorney Mary Daly said Lambert last Monday reported to Lake County Adult Probation Services.

A probation officer reported Lambert brought a urine sample that was cooler than it should have been.

A device to aid in bringing in the unknown urine sample was found in the bathroom garbage can, Daly said.

The probation officer reported that it was not there prior to Lambert going into the bathroom.

Lambert admitted to bringing a sample to defraud the test because he had recently used cocaine, Daly said.

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Court records show Lambert is currently on probation for failing to report annually as a sex offender stemming from a 2019 arrest.

He received 90 days of periodic imprisonment in December after prosecutors sought to revoke his probation for being non-compliant with it.

In January, Lambert was charged with felon failing to return from furlough and he was taken into custody last month.

He was released from the Lake County Jail in that case after posting 10% of a $150,000 bond.

Lake County Judge Theodore Potkonjak ordered Lambert held on a $500,000 umbrella bond following his latest arrest.

Lambert remains held in the jail. He is scheduled to appear in court again on Tuesday for a status hearing.