UPDATE: Missouri police, volunteers continue search for missing boy

Tuesday, May 5, 2009 | 3:22 p.m. CDT; updated 9:12 p.m. CDT, Tuesday, May 5, 2009

ARCADIA — Rescue crews and volunteers frantically trying to find a 3-year-old boy missing for more than a day narrowed their search Tuesday to an area where one of the toddler's tennis shoes was found.