D may have originally said to cops that she locked her keys in the car down in the HT lot when she first realized her car was GONE right after the 911 call was made and started to freak out a little bit...and maybe didn't remember all of what had happened the night before...but then as the day progressed, started to realize the enormity of everything that was transpiring and realized she better come clean with all she remembered, however irresponsible and bad it sounded. So, IMO, by the time the second 911 call was made by medical, D had begun to tell the cops what she knew and remembered about that night. But, by that time, the story about the Durango in the HT lot and keys being locked in it had already leaked to the media, and it was too late to stop that train. Now, with the tapes released and more info out now, trying to decipher thru what's real and what's not is harder but putting the pieces together makes a little more sense. I don't think she ever used the path. IMO, she drove down to the HT or GG both time, hence the 2 receipts, and maybe that's where she met this person (one of the two places) and then they drove back up to the house together later in the night...and drank, maybe drugged (plastic baggie corners, spoons etc)....and then the night progresses....