Ricardo Rivera Jr., 18

Ricardo Rivera Jr., 18, a Latino man, was fatally shot about 9:15 p.m. in the 300 block of East 80th Street in South-Central Los Angeles on Thursday, March 13.

Rivera was standing in the driveway when a 13-year-old approached and allegedly shot him. Los Angeles Fire Department paramedics pronounced Rivera dead at the scene.

Police later arrested the 13-year-old youth on suspicion of murder. He was booked at Los Padrinos Juvenile Hall. Detectives said the pair had quarreled the previous day.

Rivera's family described him as a happy young man who was contemplating going back to school. His mother expressed deep gratitude to the witnesses who had cooperated with the police investigation. "Thank them in my name," she told a reporter. His niece, at right, wears a memorial shirt.