New Jersey
There is no offense called “indecent exposure”
The charge is lewdness under N.J.S.A. 2C:14-4. Subsection (a) reaches a flagrantly lewd and offensive act the person knows or reasonably expects is likely to be observed by nonconsenting people who would be affronted or alarmed — a disorderly persons offense heard in municipal court. Subsection (b) is the more serious track: exposure of intimate parts for the purpose of sexual arousal or gratification, where the person knows or reasonably expects to be observed by a child under 13 and is at least four years older, or by a person who because of mental disease or defect cannot understand the conduct. Subsection (b) offenses are crimes of the fourth degree, handled in the Superior Court, Law Division, Criminal Part in the county of the alleged offense.

