TYLER — Smith County authorities are investigating the apparent discovery of human remains. Around 8 p.m. Saturday, the sheriff’s office got a 911 call reporting the discovery of a human skull near I-20. Sheriff Larry Smith said responding deputies recovered what are believed to be human remains, and the material discovered was being transported to Southwest Institute of Forensic Science in Dallas for identification. On Sunday, detectives and crime scene investigators returned to the area to continue processing the scene. In an effort to process a large wooded area, the Smith County Sheriff’s Office has contacted the ALERT Academy for assistance in conducting the coordinated search.