Sheriff's investigators are still seeking the whereabouts of a disabled man who has been missing from an Ellabell home since Thursday. Mark Anthony Waller, 46, of Live Oak Loop in Ellabell, left a Pearl Lane home in the Flemington Woods subdivision with a relative Thursday, according to sheriff's incident reports. Waller's mother told investigators that the relative, her nephew, who lives in a car at her home, returned home later Thursday night without Waller, according to reports.