If you’ve never read one of Heather Hogan’s reviews you really should they are hilariously funny; 

Heather Hogan Pretty Little Liars 3x16 Recap:

"Since Aria is still dying on her couch, Hanna and Spencer and Emily meetup to talk about the attack and the A-key. Emily confirms that Mona was actually at school while Hanna was in Philly, so it must have been one of A’s minions that did necromancy on those mannequins. Spencer suggests that they hold onto that A-key until they can discuss it with Aria because Aria is always so intimately involved in these meetings and near-death experiences. Besides, when has keeping evidence for an extra day come back to bite them in the ass?" (read full review)