Seems to be a lot of suppositions here. Just happened to be driving by, saw someone drinking from a Red Cup, saw someone who they thought was underage walking into a house carrying beer.
Being an Ex I know that a reason can be found for anything for a situation to be checked out.
Actually, it sounds like a B S Deal to me.
Hope they can afford a good Lawyer to make The Local Law Dawgs look foolish for how it was handled.
Intrapment sounds a little good even though this doesnt apply here, just, wow, lets go bust these kids.