( CNN ) -- A 28-year-old woman who said an unknown assailant threw a cup of caustic liquid in her face has admitted her injuries were self-inflicted , Vancouver , Washington , police said Thursday . Bethany Storro was being interviewed by detectives , and whether she will be charged will be up to prosecutors , police said . `` She is extremely upset , '' said police Commander Marla Schuman . `` She is very remorseful . In many ways it got bigger than she expected . '' Police would not speculate on Storro 's motives , only saying the August 30 incident did not occur as she described and that there were discrepancies in her account , including wearing sunglasses in the evening . They also had questions about the liquid 's splash patterns on Storro 's face . Officers acquired a search warrant and conducted a search Thursday morning . They removed several undisclosed items , but said they did not find a substance that might have caused her injuries . Vancouver had searched for an assailant , described as an African-American woman with an athletic build and slicked-back hair pulled into a pony tail . Storro was released from an Oregon hospital on September 5 after undergoing surgery for her injuries after the alleged attack . Police spent hundreds of hours on the case and the community came together to offer donations for Storro 's treatment . `` It has had an impact on our community , '' said Police Chief Clifford Cook . `` It has brought negative attention on our community that is undeserved . '' Storro 's family was also being interviewed , police said . They described her as being in a fragile mental state . Storro credited a new pair of sunglasses -- which she said she bought just 20 minutes before the attack -- with saving her eyesight . `` God is watching over me , '' Storro , of Vancouver , told CNN affiliate KATU in Portland , Oregon , at the time . `` I believe in him . That his hands are on me and I ca n't live the rest of my life like that -- in fear . I ca n't let what she did to me wreck my life . '' Storro told KATU that she had stopped at a Vancouver Starbucks about 7:15 p.m. , just after she had gone back to buy a pair of sunglasses that she had seen earlier . The woman walked up to her and said , `` Hey pretty girl , do you want to drink this ? '' When Storro declined , the woman threw the contents of the cup in her face and ran off , Storro claimed at the time .
A Washington state woman made up her claim of an attacker throwing acid , police say . Bethany Storro , who was hospitalized , now may face charges . Police conducted search of her residence .