Checks do not stop after the visa is issued. US Embassy

Illegal drug use or violations of US laws by persons in the US on a tourist or student visa may result in their being denied the opportunity to obtain a US visa in the future. This was reported by the US Embassy in Armenia. "A US visa is not a right reserved to a person, but a privilege given to a person. After the visa is issued, the visa checks do not stop. if you violate the law, the visa can be revoked," the embassy informs.