st. louis. gas chromatography on ryan's blood sample found the cause of the child's illness. it was ethylene glycol poisoning. ethylene glycol is a colorless sweet tasting substance found in industrial solvents and resins. it can be fatal in large enough doses. hospital officials notified both the sheriff's department and the missouri department of family services. >> i'll take the basement. >> investigators searched the stallings' home. in the basement, they found two containers of antifreeze under a pool table. one of the containers was half empty, and it listed ethylene glycol as the main ingredient. >> you cannot form ethylene glycol in your body.