By Breaking Celebrity News Staff

The death penalty trial of murder suspect Joshua Komisarjevsky continued on Monday as horrific details emerged of the final moments of victim Hayley Petit that were so gruesome her father had to leave the courtroom.

Dr. William Petit, the sole survivor of the 2007 Connecticut home invasion, was overcome with emotion as jurors heard how 17-year Hayley's body was found at the top of the family's stairs after struggling to free herself from the ropes that bound her wrists to her bed, reported ABCNews.com.

According to the associate state medical examiner who performed the autopsy, the cause of the teenager's death was smoke inhalation and carbon monoxide poisoning,