People are compiling a list.  So far:

By Ferris

Truancy

Many many many moving violations

Odometer fraud (tampering): 49 U.S.C. § 32703(2)

Odometer fraud (conspiracy): 49 U.S.C. § 32703(4)

Computer tampering (when he changes his attendance record): 720 ILCS 5/Art. 16D – 3

Car theft

Disorderly conduct (jumping on parade float): 720 ILCS 5/26‑1

Copyright violation (singing "Twist and Shout" on said float)

Trespassing

By Cameron

Violation of 720 ILCS 5/32-5.1: False Impersonation of a Peace Officer. A person who knowingly and falsely represents himself or herself to be a peace officer commits a Class 4 felony. (At the restaurant, on the phone with the Maitre D' he says, "This is Sgt. Peterson, Chicago Police.")

By Mulroony

Failure to report suspected child abuse (on thinking that Sloane and her dad had an incestuous relationship): 325 ILCS 5; see also 720 ILCS 640

Breaking and entering