A Utah parolee suspected in a string of robberies and assaults on the wealthy has been convicted by an Arapahoe County jury of aggravated robbery, burglary and rape.

Freddie Angelo Diaz, 29, showed no emotion Tuesday as District Judge John P. Leopold announced guilty verdicts on 20 of 22 counts.The six-man, six-woman jury dismissed one count of aggravated robbery and one count of complicity to first-degree sexual assault.

Diaz, who was convicted of attempted murder in Salt Lake City in 1981, now awaits a ruling from the same jury on four counts for allegedly being a habitual offender. He could face up to 288 years in prison.

Diaz and another man broke into a Greenwood Village home, raped a 27-year-old nanny and tied up and robbed the homeowners. Authorities said Diaz and the other man also fondled and attempted to sexually assault the wife.

The armed men also took clothes and jewelry from the home, testimony showed. Diaz was arrested two days later in Denver, wearing a sweater taken in the robbery.