; or (II) who the consular officer or Attorney General has reasonable grounds to believe has renounced the activity causing the alien to be found inadmissible under this section. (iii) Terrorist activity defined In this Act, the term terrorist activity means any activity that is unlawful under the laws of the place in which it is committed (or which, if it had been committed in the United States, would be unlawful under the laws of the United States or any State) and that involves any of the following: (I) The highjacking or sabotage of any conveyance (including an aircraft, vessel, or vehicle). (II) The seizing or detaining, and threatening to kill, injure, or continue to detain, another individual in order to compel a third person (including a governmental organization) to carry out or abstain from carrying out any act as an explicit or implicit condition for the release of the individual seized or detained. (III) A violent attack upon an internationally protected person (as defined in section 1116(b)(4) of title 18, United States Code) or upon the liberty of such person. (IV) An assassination. (V) The use, with the intent to endanger the safety of 1 or more individuals or to cause substantial damage to property, of any— (aa) biological agent, chemical agent, or nuclear weapon or device; or (bb) explosive, firearm, or other weapon or dangerous device (other than for mere personal monetary gain), with intent to endanger, directly or indirectly, the safety of one or more individuals or to cause substantial damage to property. (VI) A threat, attempt, or conspiracy to do any of the foregoing. (iv) Engage in terrorist activity defined In this Act, the term engage in terrorist activity means, in an individual capacity or as a member of an organization— (I) to commit or to incite to commit, under circumstances indicating an intention to cause death or serious bodily injury, a terrorist activity; (II) to prepare or plan a terrorist activity; (III) to gather information on potential targets for terrorist activity