Chase security guard helped plan $200,000 heist in L.A., officials sa…

The couple arrived at the Chase Bank in Palmdale as planned. It was early February and they were there to withdraw $200,000. Nearby, a private security guard stood watch, occasionally sending text messages on her cellphone.

As the couple made their way across the parking lot that day, they were approached by two armed men, who robbed them before fleeing.

At the time, it seemed like a random…