evidence: The weapon in the video is clearly an AT-4, not a Javelin. AT-4s were developed by Sweden but have been licensed for production in many countries. The AT-4 is an unguided light anti-armor weapon, whereas the Javelin is a more advanced anti-tank guided missile (ATGM). ISW has observed no evidence of any Javelins or any other weapons being 'smuggled' from Ukraine into Mexico. [...] The AT-4 is not used by the United States exclusively. It is widely available around the world. The Army Technology website reports: [...] The M136 AT4 is an 84-mm unguided recoilless weapon, whereas the FGM-148 Javelin is an anti-tank guided missile (ATGM). This means that the Javelin uses a Command Launch Unit (CLU) to lock-on to a target before the user fires the weapon. An AT-4 is purely unguided.