Elon Musk claims student visa permitted him to work in U.S. The Washington PostWhat Elon Musk Working Illegally Says About The Immigration System ForbesBiden says Elon Musk was an 'illegal worker' when he began U.S. career CNBCElon Musk worked in US illegally in 1995 after quitting school – report The GuardianWashington Post reports Elon Musk briefly worked illegally in US in 1990s Reuters