A convicted child rapist faces a possible life sentence after a Yellowstone County District Court jury convicted him Thursday of seven new felony charges related to the rape of a 7-year-old girl.

Lucien Sidney Bonck III, 57, was found guilty of three counts of sexual intercourse without consent, three counts of felony sexual assault and one count of felony tampering. Judge Gregory Todd ordered Bonck to remain in the county jail without bond while awaiting sentencing. A date will be set later.

The victim, now 15, took the witness stand and told jurors how Bonck, who met her family in Wyoming, sexually assaulted her in 2002. Bonck did not testify. Prosecutors said Bonck used enticements such as fishing trips and drives to the store for candy to isolate the girl and assault her.

Bonck was charged with the crimes in 2007. The allegations surfaced some time after the incidents when the girl told a school counselor.

The trial began Monday, and the jury heard closing statements Thursday morning. The jury spent four hours deliberating before returning the guilty verdicts.

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The tampering charge accused Bonck of calling his son from jail and asking him to lie at the trial. The taped conversation was played for the jury at the trial.

Deputy County Attorney Ann-Marie McKittrick said Bonck faces a possible life sentence because of his prior criminal record, which includes the 2002 rape of a young Billings boy.

In 2004, Bonck was sentenced for that crime to 20 years in prison with all but 64 months suspended. The sentence resulted from a plea agreement that called for the dismissal of charges related to the molestation of several other children.

Bonck is also a registered sex offender in Wyoming.

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