She was alone with her luggage and appeared unharmed, said LAPD Chief Jim McDonnell.
A simple message could reassure those she cares about.
Kobayashi has been missing since early November.
Volunteers putting up flyers to help find Hannah Kobayashi.Wally Skalij/Los Angeles Times/Getty Images
Surveillance cameras instead caught Kobayashi leaving the airport and riding the metro to downtown Los Angeles.
The following morning, Nov. 12, surveillance cameras caught Kobayashi at the Greyhound bus terminal at Union Station.
She was seen entering Mexico a few hours later via the tunnel at the San Ysidro border crossing.
Notably, Kobayashi crossed the border not long after family and friends received their last known communications from her.
Amidst the ongoing search for her, Kobayashis father, Ryan Kobayashi,died from an apparent suicide.
The Los Angeles County medical examiner said he died from blunt force traumatic injuries.
