East Texas woman convicted of killing babysitter TYLER, Texas (AP) — An East Texas woman faces a possible death sentence after being convicted of capital murder for killing her mentally challenged baby sitter. The Tyler Morning Telegraph reports (http://bit.ly/KhVkfs) prosecutors told jurors that Cargill killed Cherry Walker in 2010 to keep the baby sitter from testifying against her in a child custody hearing regarding Cargill's 4-year-old son.