That's something you will need to discuss with your lawyer. We only know what you've told us, and that's really not very much at all.
You were loitering. The police, passing by, can reasonably inquire about your business on campus.Quoting ohgabe2011
Not even remotely.Quoting ohgabe2011
Apparently when they asked to search the car you said "no, it's not mine", so they had the owner come out (?) and consent to the search, or search the car himself in front of them? Your narrative is anything but clear. They don't need probable cause to search a vehicle when they have valid consent.Quoting ohgabe2011

