CALGARY - An Alberta court has declared a man with a long history of violent crime a dangerous offender, which means he can be locked up indefinitely.

Michael Peter Nadolnick, who is 45, has repeatedly violated parole after being released from prison.

The Crown asked that Nadolnick be declared a dangerous offender after he kidnapped a 19-year-old woman at gunpoint from a Calgary business in 2008.

The same day, a 68-year-old man in a truck was carjacked and the two victims were forced to drive around the city for more than four hours.

In November 2011, Nadolnick was in custody for those crimes when he escaped while being escorted to a doctor's appointment — he overpowered his guards and then tried to get away in a stolen vehicle.

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A person can be declared a dangerous offender if the sentencing court is satisfied that the offender is a threat to the life, safety or well-being of the public.

Since 1998, Nadolnick has spent has spent only about 10 months out of custody and has been convicted on about 40 charges.

Nadolnick was convicted of sexual assault with a weapon near North Battleford, Sask., in 1998.

In 2002, he was charged after a random break-and-enter robbery that sent two men to hospital with multiple stab wounds.

He served six years in Bowden Institution and just a few months after getting out, he kidnapped the woman in Calgary.

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