While she gets to work on the safe, he presses the tip of the rifle to the back of the woman's head, just close enough for the muzzle to brush against her hair. She's shaking, now.

Heine just divides his attention between watching her and the store owner, waiting for Jennifer to talk again before he starts to back away, keeping the gun trained on the woman. The old man is clearly more afraid for her than for himself, so he has just enough attitude to snap a "don't call me that" before they start to leave. "If you want anything, grab it before I leave you here," he adds. He's already itching to get out of the store.