Shoplifting is known to be an act where people steal goods especially from a store or a shop while initially acting or pretending to be a customer. this people are referred to as shoplifters. They usually keep what they steal in their bags , pocket or cloths.
The major punishment for this kind of act not much, because it is considered as a minor wrongdoing, but few can attract jail term.
In this case, the salesclerk at Braybon's deparment can detain thecustomer for suspecting her to be a shoplifter due to the way the customer carried out the act.
Since the judge declared Rex isn´t legally competent to manage his business affairs the negotiation will b e conducted by other person of Rex family, probably.