I believe she’s in a fragile mental state and that sets her up for being taken advantage of,” Steve Fischer, a private investigator who has been searching for Kobayashi, told The Post.

The mystery over Hannah Kobayashi, the woman from Hawaii listed as missing, took a turn when police said video showed her entering Mexico and no evidence of criminal activity.

The photographer, 30, has been missing for over three weeks, perplexing investigators. Los Angeles police said they won’t extend the search to Mexico.

Investigators found no evidence linking her to human trafficking and have since ruled her three-week disappearance voluntary.

The Maui woman was reportedly captured on surveillance video crossing the US border from San Diego into Tijuana, Mexico on the day she disappeared

Hannah Kobayashi went missing Nov. 8 after flying from Hawaii to L.A. Her connecting flight at LAX would have taken her to New York, where she planned to visit relatives.

The Los Angeles Police Department said Monday it had video that showed Hannah Kobayashi, the woman from Hawaii who vanished last month after landing at LAX, crossing the border into Mexico, and said there was no evidence of foul play in her disappearance.

Hannah Kobayashi was declared a “voluntary missing person” after a video emerged of her crossing the U.S. border into Mexico on foot several weeks ago. The Los Angeles Police Department announced the reclassification and development at a news conference on Monday,