The search for 84-year-old Nancy Guthrie has entered a more intense phase after her daughter, Annie Guthrie, was reportedly taken by police for formal questioning on Tuesday, according to sources familiar with the investigation.

Investigators Escalate the Case
Law enforcement confirmed that detectives approached Annie and transported her for questioning as authorities work to determine what happened to Nancy, who vanished under unexplained circumstances. Officials have not shared details publicly, citing the active nature of the case.