A convicted sex offender died while in the act of raping a 77-year-old woman in the small Texas town of Tivoli. Hit the jump to read the rest of the story.

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A convicted sex offender died while in the act of raping a 77-year-old woman in the small Texas town of Tivoli, officials said.

Isabel Chavelo Gutierrez, 53, rode a bicycle two miles from his home in Refugio, Texas, to the elderly victim’s home June 2nd, according to the Refugio Sheriff’s Office.

Gutierrez, 5’7″ and roughly 240 lbs., then broke into the victim’s home through the rear screen door and raped her at knife point, officials said. The victim later told authorities that her assailant rolled off her during the rape, complaining that he didn’t feel well.

He told his victim he had to rest, and did for a few minutes. It was when he returned to fondle her, the Corpus Christi Caller reported, that Gutierrez seized up and died. The victim then reportedly fled the house, jumped in her car and drove to a relative’s home where she called 9-1-1.

The Corpus Christi Medical Examiner’s Office will examine the body to determine the cause of death.

Gutierrez was a registered sex offender with a rap sheet including aggravated sexual assault and indecency with a child.

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