At 18:20 Marty "borrows" the pink hoverboard from the little girl in front of the Cafe 80's, accross the pond from the courthouse. At 20:37 Griff's gang goes after Marty from accross the pond. At 20:53 Griff's "Pitbull" hoverboard is seen leaving his feet and flying through the large front windows of the courthouse. Right after that Marty gets out of the pond and some how comes out of the "Courthouse Mall 25 Underground Shops" exit and his jacket drys itself. He then sees the little girl he "borrowed" the pink hoverboard from and offers it back, she replies, "No, I gotta Pitbull now".

First, how was this little girl able to remove evidence from a crime scene...in the courthouse no less. There was broken glass and people started gathering around almost immediatly.

Second, how did she get from in front of the Cafe 80's (where her pink board was taken) to IN the courthouse to retrieve the "Pitbull" to back infront of the Cafe 80's (to decline her old pink board)?