Tacoma Police finished a backyard dig related to the 1999 disappearance of Teekah Lewis but found no evidence.

This week's search of a Tacoma backyard marked at least the third unsuccessful lead police have pursued in the search for Teekah Lewis, who vanished in 1999.

There is a cold case mystery unfolding in Tacoma as crews with Tacoma Emergency Management were seen digging in the backyard of a home.