Investigators continue to search for a suspected gang member who killed a man and a pony and left another man in critical condition Monday night. A 25-year-old man who witnessed the gang-related shooting in the “Little Mexico” area spoke to a Monitor reporter Tuesday morning. The witness, who declined to reveal his identity, said he was talking with his neighbor Esteban Rangel, 29, outside Rangel’s home about 9:30 p.m. Monday, when a Ford Ranger pulled into the home’s gated entrance. The witness stayed behind while Rangel and two of his friends walked up to the driver, he said. Both parties...