 A three-year-old who went missing was found dead in a nearby neighborhood pool. Montgomery County's Emergency Communications Center got the call about 11.45 last night. Rockville police responded to the neighborhood pool along Elmcroft Court where the boy was found in the pool. Police did CPR until paramedics arrived and transported the toddler to an area hospital where he was pronounced dead. Major crimes detectives from Montgomery County Police are investigating, but they suspect no foul play in the boy's death.