Gabriel didn't lock the door, and instead just held it shut. At least that way, Luke would know he hadn't left. Not that he figured that really mattered. Gabriel figured he was a flawed version of Sylar, as far as Luke was concerned.

He wasn't sure how this was going to go down, but it probably wasn't going to be good. When Jack had recruited him, he was surprised that the man trusted him, but he'd know that Gabriel cared about some things. Luke wasn't like that.

He nodded his head when Jack arrived. "You want me to come in with you?" In case Jack needed some immediate muscle, in this case.