Early in the evening of Dec. 30, Julio Florencio Teo Gomez, a carpenter from Guatemala City who had shifted around different living situations on Long Island for more than a decade, went looking for money he was owed for a job he had completed before the holidays. Like so many other day laborers operating in the far reaches of Long Island, he had found the work at a roundup one morning in the parking lot of the 7-Eleven in Southampton. Throughout the final week of the year, he visited the lot se