(1) First-degree recklessly endangering safety. Whoever recklessly endangers another’s safety under circumstances which show utter disregard for human life is guilty of a Class F felony.
(2) Second-degree recklessly endangering safety. Whoever recklessly endangers another’s safety is guilty of a Class G felony.
http://docs.legis.wisconsin.gov/statutes/statutes/941/IV/30