A Florida woman was arrested Thursday after a three-month investigation found her 2-year-old child tested positive for methamphetamine, according to the Wakulla County Sheriff’s Office.Kaitlyn Ecker, 20, was arrested Thursday after deputies obtained an arrest warrant. Ecker’s child tested positive for marijuana and methamphetamine in March. According to deputies, the exposure to methamphetamine was considered "chronic," meaning the child was exposed to the drug many times. The investigation started in January when deputies received a report of Ecker exposing the child to the drugs inside her home. Witnesses said the child smoked marijuana with Ecker and even "rolled joints," according to the Sheriff’s Office. Some of Ecker’s drug paraphernalia was found inside a basket of the child’s toys.The Sheriff’s Office conducted a blood test on Ecker and her child. In March, the results came back positive for methamphetamine.In March, Ecker admitted to smoking marijuana, but said she hadn’t used methamphetamine for more three months, deputies said. She also claimed glass pipes found in her home with traces methamphetamine weren’t hers.Ecker denied using drugs in the presence of the child, deputies said. Ecker is charged with child abuse, lewd and lascivious battery and transmission of harmful material to a minor.