“Law & Order” story? Crossword Clue

• (noun)
  1. a defense of some offensive behavior or some failure to keep a promise etc.
  2. (law) a defense by an accused person purporting to show that he or she could not have committed the crime in question
• (verb)
  1. exonerate by means of an alibi

• ORDER (noun)
  1. (usually plural) the status or rank or office of a Christian clergyman in an ecclesiastical hierarchy
  2. a commercial document used to request someone to supply something in return for payment and providing specifications and quantities
• ORDER (verb)
  1. assign a rank or rating to
  2. give instructions to or direct somebody to do something with authority
• LAW (noun)
  1. the learned profession that is mastered by graduate study in a law school and that is responsible for the judicial system
  2. a rule or body of rules of conduct inherent in human nature and essential to or binding upon human society

Unscramble the letters below to solve for today's answer.
BIALI