term:

Contraband

contraband n

[Italian contrabbando act of smuggling, from contra- against + bando edict, law]
: property that is unlawfully produced, possessed, or transported

contraband per se
: property that is in and of itself unlawful to possess, produce, or transport

derivative contraband
: property that is unlawful because it is used in committing an unlawful act

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.