Maybe I'm just missing a lot of information when I'm reading through the posts but I think there's some conflicting-ness going on here.

From what I understand [@FortunesFaded] decided against a time skip in his last post. So the group from the safe house and the group in the apartment are still two separate entities...

[@FallenTrinity] Not sure but I think your character John just introduced himself to everyone in the apartment even though he's at the safe house.

Also this...
[quote=@Monkeypants]"Her binoculars were nowhere near as powerful as Billy's scope but it was obvious that this group of walkers must've heard the events in the apartment.

"Billy, make them sleep."

Without a pause, Billy pulled the trigger. The shot from the high powered rifle rang out and anyone nearby would know they were there now. Lisa panicked, "Billy!! Where is the gray tube for the end of your gun? The one that makes it quiet?"[/quote]

...might have been ignored :/