Which of course Alec heard. Even Dean could have heard it. "Sam?" Alec's voice rose a little in worry. He tried the door knob, because really? Sam doesn't have anything Alec hasn't seen before. Maticore wasn't big on privacy or modesty.

The door was locked. "Shit." His fingers tighten around the knob. "Sam, I'm opening the door. I know you're right behind it." After give Sam that warning he twisted the knob sharply, putting a bit of X5 strength behind it and the locking mechenism inside gave with a rattling snap. He easied the door open as much as he could until it gently bumped into Sam.