Video - Tape 4 of 911 Sandy Hook Calls - Woman shot in Foot. It does NOT make Sense!

Yet another tape does not make sense.

This is tape 4 of the Sandy Hook 911 calls. Listen to this. It is first a state policeman saying he has a victim a woman shot in the foot. Then she gets on the phone and listen to what she says "Not safe to lock the door" "Two adults with her behind a bookcase" WAIT....... the state policeman was the one who called and she is now talking to 911 because