For months, lone vibe coder Rafael Concepcion has obsessively built tools to counter the federal immigration crackdown—pivoting as he’s been outmatched. He’s also lost his job and become a target. Photograph: Luis Manuel Diaz The second trump administration was barely a week old when Rafael Concepcion came across the Facebook post that would upend his life. Its author was Maria Hernandez, the owner of a Mexican grocery store popular among Latino residents of New York’s Finger Lakes region. She wrote that several of her best customers had already gone into hiding. With sales plummeting, she offered to make free deliveries of food to anyone too scared of Immigration and Customs Enforcement to leave their home. Concepcion, a second-generation immigrant and a professor at nearby Syracuse University, was so moved by Hernandez’s generosity that he made the 45-minute drive to her store to pay his respects and spend some money.…