An Affton man admitted to giving alcohol to his preteen stepson just hours before the boy drowned in the Meramec River.
Todd Combs told prosecutors he had supplied alcohol to several minors, including 12-year-old Christopher Marks, on August 5 of last year. The family was having a picnic in the Pacific Palisades conservation area. Family members told police Marks went to use a rope swing by the river, but never returned.
After days of searching, teams found the boy's body miles downstream.
Combs will be sentenced next month for seven counts of child endangerment.