ST. PAUL (WCCO) — Prosecutors say a plumber on a house call in St. Paul tricked a mom into leaving the room so he could molest her 2-year-old daughter.

People’s Plumbing owner Randall Ostebo now faces two counts of second-degree criminal sexual conduct.

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According to court papers, Ostebo exposed himself to the toddler last month and made her touch his genitals.

Investigators say Ostebo was alone with the girl after telling her mother to help him out by going to the basement and putting water in the boiler.

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Ostebo’s family members turned him into police after they say he confessed to that crime and to another incident that happened in 1990.

His son, who also works for the family business, wants anyone else who may have been harmed to come forward.

Ostebo was convicted of a similar crime back in 1991 and was sentenced to 30 days in jail and probation.

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If convicted on the latest charges, he could face up to 25 years behind bars.