Lists of common felonies and misdemeanors do not include any crimes specified using words with N. One possible answer is the generic term "narco-trafficking".
robbery
transgression
Nuts or nectarines are crops that begin with the letter N.
larcenyloan sharkinglooting
Some crimes that begin with the letter O include obstruction of justice, organized crime, and online fraud.
Only the letter N.
Neighborly and nondiscriminatory are good words. They begin with the letter n.
Piracy is all I can think of :/
Kast, killing, krest
Newscaster, nuclear engineer and nurse are professions. They begin with the letter N.
Nails, nickels, needles and nightsticks are round. They begin with the letter n.