( CNN ) -- An Illinois woman who left her mentally disabled daughter outside a Tennessee bar can not be charged with a crime , police said Tuesday . Police in Caryville , Tennessee , said the daughter is 19 and not assigned to a legal guardian . `` As terrible as it is , unfortunately there is nothing we can do , '' Assistant Police Chief Stephanie Smith said . `` There is no doubt we need a law for mental health rights , but pending this investigation , we just do n't know what else to do . '' According to police , Eva Cameron stopped at the Big Orange Bar in Caryville on June 28 when her daughter , Lynn , needed to use the restroom . The mother left Lynn by the side of the road and returned to her home in Algonquin , Illinois , according to Smith . `` ( Lynn ) did n't know her age , she did n't know her address , she did n't know her phone number and she did n't even know her name , '' Smith said . Eva Cameron told the Northwest Herald newspaper in Illinois that she brought Lynn to Caryville because of its concentration of Baptists and because Tennessee has the `` No . 1 health care system in the United States of America . '' Mentally disabled man says he was kept in nailed-shut closet . The young woman 's identity was unknown until Caryville police received an anonymous tip on Monday , having released a picture and requested information from the public . At their request , Eva Cameron had a brief meeting with Caryville police on Tuesday . She signed a statement saying that Lynn Cameron was now a ward of Tennessee , officials said . `` She basically said , ' I do n't want her and I do n't want to take her . ' Then she got in her car and she left , '' said Smith . When reached later Tuesday by CNN , Eva Cameron said , `` We understand she lost her ID card and that 's how the situation has turned into what happened . She 's already an adult . I just have to leave it at that . '' Eva Cameron would not answer further questions . Authorities took Lynn Cameron to a hospital , where she was discovered to have only a basic vocabulary of 30-40 words , according to Smith . A Campbell County Chancery Court order in the case described Lynn Cameron as a `` severely disabled adult , suffering from profound mental deficits , and is unable to care for herself or her personal needs . '' According to the court , the mother stated `` she could not and would not care for Lynn Cameron . '' Eva Cameron said that she has another disabled child and that caring for both was too much to handle , according to the Northwest Herald . Authorities said Lynn Cameron is being cared for at a facility in Roane County . When asked how the young woman is doing , Smith replied , `` Lynn is doing fantastic . '' Adult day service : What you need to know .
Mother abandons mentally disabled daughter , 19 , by side of road in Tennessee . Authorities say there are no criminal charges that can be filed against mother . Mother signed statement Tuesday saying that daughter is now ward of the state .