The search continues for missing Affton boy Christopher Marks. Marks went missing Sunday afternoon while vacationing with his family. Christopher was last seen swinging over the Meramec river on a rope swing.

A press conference today revealed that no evidence of the boy has been found.  Authorities have stated that cadaver dogs have been brought into the search.

Previous AP Release:

PACIFIC, Mo. (AP) — Searchers are looking for a 12-year-old St. Louis County boy last seen Sunday night after telling his family he was going to swing on a rope on the Meramec River.

A missing person advisory went out early Monday for Christopher Marks. He was last seen about 7:30 p.m. Sunday in Pacific. Police were assembling Monday morning at the river with plans to search the water and the heavily-wooded area near it.