Cesar Ramirez was a trusted employee. Ramirez, 24, was so trusted he was given the keys to the Volcano Tea House in Garden Grove. He would let himself into the establishment before it was open to the public. He spent the morning mopping the floor and cleaning, and preparing the juice bar for the day’s customers. On the morning of Nov. 14, 2014, Ramirez — described as a hard-working young man helping support his family, and living a responsible life — was tricked into opening the front door, thinking he was coming to the aid of a person in need.…