The court documents reveal that even Storro's surgeon doubted the attack, telling investigators that her injuries did not reflect being splashed by acid.
"Storro's facial skin seemed to be burned, but it was an even pattern over her face. It did not appear to be a splashing injury," wrote Detective Wallis Stefan in a court affidavit. "It seemed to have a mud-mask, or cosmetically applied mask, appearance to it."
Stefan said Storro had "no injuries to her neck, hands, or upper chest area that may have been indicative of having chemical splashed on her face."
The detective also compared Storro's account to other acid attacks that had occurred around the same time across the country and found no similarities among the cases.
Investigators also learned that no sunglasses had been purchased at the store where Storro had claimed buying the ones that protected her eyes during the attack. Sunglasses also were not found at the scene of the alleged crime.
On Sept. 16, when authorities entered Storro's home to execute a search warrant for evidence that she had made up the attack, Storro came clean, telling officers that she "should go to jail."
During her admission, which spanned more than an hour and a half and was 88 pages long when transcribed, Storro said that she had dabbed acidic drain cleaner to her face with a towel in a park bathroom hours before the call was placed to police Aug. 30.
"I thought there would be no evidence of me doing it to myself," she told Stefan, according to the affidavit. "I thought that you guys would give up trying to find the person and it would be done."
ABC News' Sarah Netter contributed to this story.