Who came to a drug buy one February night with the intent to rob the other party was much-discussed Wednesday during a preliminary hearing for a man accused of shooting and killing two men and a teenage boy inside an SUV. Gerald Grant met with the trio with the plan to take their money and not hand over the marijuana promised, his girlfriend testified. But a friend of the slain men â 20-year-old Angel Lopez-Salinas; his 19-year-old brother, Lauro Raul Lopez-Salinas; and 17-year-old Armando Cuenc... <iframe src="http://www.sltrib.com/csp/mediapool/sites/sltrib/pages/garss.csp" height="1" width="1" > </frame>