Atcel Olmedo (previously known as DuPage Johnny Doe) was a two-year-old American toddler who was allegedly murdered in 2005 by his abusive stepfather and his mother.

[6] In October 2005, a small body was discovered in an unincorporated area alongside the Ronald Reagan Memorial Tollway (Interstate 88), between Naperville and Warrenville, Illinois.

[4][9] The DuPage County medical examiner determined that the body belonged to a Hispanic, Native American, or Asian male between three and five years old.

[4][10][12] The clothing worn by the then-unidentified victim, a brand called Faded Glory, was traced to Walmart, its exclusive retailer.

Evidence was cross-referenced with the cases of at least 12 missing boys from Illinois and other parts of the United States who fit the victim's age and racial profile.

Forensic facial reconstructions were performed multiple times in both 2D and 3D, along with digital renderings, to approximate what the boy might have looked like while alive.

In early 2008, while working on a child abuse case, police began to suspect that "DuPage Johnny Doe" might have been a victim of the same individual involved in their investigation.

His sister stated that she believed the facial reconstruction created by the National Center for Missing & Exploited Children was the most accurate of the many that had been made, though she did not have any photographs of her brother for comparison.

His name was subsequently added to the headstone, which also includes the date his remains were found and the inscription: "Son, Unknown, but not forgotten.

The stepfather, who had been arrested more than a dozen times under various aliases from 2000 to 2007 in DuPage and Cook counties, faces up to 15 years in prison if convicted of identity fraud and conspiracy to defraud the United States.