President Donald Trump has urged the public to give investigators the 'benefit of the doubt' after a new report raised fresh questions about the early handling of the search for Nancy Guthrie, whose disappearance has remained unsolved for six months. While the report has intensified scrutiny of the investigation, Trump stopped short of criticising local authorities, instead expressing confidence that they were doing their best under difficult circumstances. Reporter: Since Nancy Guthrie’s disappearance investigation has now been stalled for six months, is it time for the FBI to get involved? Marking six months since Nancy Guthrie vanished, the Today presenter shared an emotional message on Instagram describing the family's continuing anguish. Six months later, the investigation remains active, with the FBI continuing to support local authorities.