Gary owned Gary's Pawn Shop. He contracted with Skip Security, whereby Skip Security agreed to provide an unarmed security officer at the Pawn Shop every night from 6:00 pm -11:00 pm. Last Saturday at 8:00 pm, Aaron was a customer who was robbed and beaten in the Pawn Shop's parking lot. Aaron sued Skip Security, alleging that Skip Security breached its duty to protect him.

Explain the relevant law (from Chapter 16) and what Aaron would have to prove to win his case.