. >> reporter:we're learning more about the sad last days of audrie pott. the 15-year-old girl who hung herself in her saratoga home a week after her family says she was sexually assaulted at a party last year. rolling stone has obtained the pleading facebook messages the 15-year-old posted before her death. >> reporter:they're part of an article the magazine calls "sexting shame and suicide." it was september 10th of last year when audrie's mother found her body hanging from a shower head. the saratoga high student had called home.asking to be picked up early from school. >> reporter:audrie hanged herself after three classmates allegedly sexually assaulted her at a labor day weekend party.where there was heavy drinking. >> reporter:she had passed out in an upstairs bedroom.later waking to find that some of her clothing had been removed and there were crude scrawlings on her body. and -- photos had been taken. >> reporter:those photos were being passed around -- and audrie found out about it. we now know that she had begged the boys to delete the images in