The First Cortina War began at Brownsville on July 13, 1859, when Cortina shot the town marshal, Robert Shears, in the arm for his brutalizing of Cortina's former employee, Tomás Cabrera. Tension increased between Cortina and the Brownsville authorities, and on September 28 he raided and occupied the town with a posse of between forty and eighty men. His enemies, however, had fled. During the occupation of Brownsville, Cortina issued a proclamation to reveal his intentions to both communities, quoting from :