Authorities in Refugio, Texas, say a 53-year-old man died while raping an elderly woman in her home earlier this month.
Investigators confirmed that Isabel Chavelo Gutierrez died - in the middle of raping his 77-year-old victim.
According reports cited at the local sheriff's office, the 250 pounds registered sex offender complained he wasn't feeling well and "stopped having sex with her so he could rest."
Gutierrez, had broken in to the victim's home in Tivoli and began raping her at knifepoint. He then he rolled over and died.
The Refugio County Sheriff's Office was not immediately available for comment.