Like her parents.
Think about... She doesn't remember driving/riding anywhere to get to the party. She doesn't remember driving/riding anywhere after the party. She does remember every detail of the house.
The odds are the house belonged to someone she knew.
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Who goes to a party or gathering at a house and does not know who it belongs to? That is just not credible.
Who did she go to the party with?
What teenage girl goes to a house gathering without a friend while only knowing 2 people there? Even if she went to see Judge, normally a 15 year old girl would take a friend.