Atcel Olmedo (previously known as the DuPage Johnny Doe) was an American toddler who was allegedly murdered by his abusive stepfather and his mother in 2005 and disposed of in Naperville, Illinois. His body was not positively identified until 2011, after one of his six siblings came forward. The case received national attention and was broadcast on several different television shows; Forensic evidence obtained from the body during the investigation was analyzed to assist in his future identification. His case remains unprosecuted; the suspects have not been located, and they have possibly left the United States.