April 30th, early evening
Lauren hesitated before ringing the buzzer - almost walked away, in fact, before forcing herself to turn and face the door. She didn't know Bert very well and wouldn't have approached him at all if it hadn't been for Sam's recommendation. She trusted the other woman's judgement (and research), and if a cop said that he'd be a good person to talk to, well, then who was she to second-guess it?
Bzzzz.
Bzzzz.