Revealing mistake: When Chucky is sawing Michelle in half, as her body starts to split, a few times you can briefly see where her body has been "pre-scored" to split apart as the chainsaw moves down.
Revealing mistake: After the credits, we see a wideshot of a snowy Hackensack, but the snow is just a digital overlay, since it only seems to be falling directly in front of camera and nowhere else in the shot.






Answer: Presumably she's referring to Jake, Devon, and her sister Caroline, since they're the ones who are most "in the know" about the problems Lexi is facing and maintaining her secrets.
TedStixon