They climbed up the stairs to the upper floor. Jimmy led the way to a hallway of doors.

"Not all the doors we need to get through will be unlocked." He opened a backpack Trey hadn't noticed and pulled out a black cloth. It unrolled to reveal a strange assortment of tools and electronic gadgets. "This is how we get in. I don't expect you to get past the fancy locks, but you should be able to pick a basic one."

He handed Trey a long thin flat piece of metal and a finer ...