Nebraska Revised Statute 28-511.03
Possession of security device countermeasure; penalty.
(1) It shall be unlawful for any person, other than an authorized agent of a store or retail establishment, to possess, in that store, any security device countermeasure.
(2) For purposes of this section, security device countermeasure means a device which bypasses, disables, or removes an electronic or magnetic theft alarm sensor.
(3) Any person violating this section is guilty of a Class II misdemeanor.