RCW 16.08.100(3) provides:

The owner of any dog that aggressively attacks and causes severe injury or death of any human, whether the dog has previously been declared potentially dangerous or dangerous, shall be guilty of a class C felony punishable in accordance with RCW 9A.20.021. In addition, the dog shall be immediately confiscated by an animal control authority, placed in quarantine for the proper length of time, and thereafter destroyed in an expeditious and humane manner.