Kevin Pimentel , 12 , shot his brother Brady Pimentel , 6 , dead Wednesday night at their mobile home in Florida , Hudson . He shot his brother Trevor Pimentel , 16 , in the leg before killing himself . Kevin and Trevor had been cooking about 6pm when an argument erupted . Their mother , Helen Campochiaro , 38 , was working one of her two jobs . Relatives say she was a single mom who kept a gun for protection and that the boys had been brought up with gun safety . On a Go Fund Me page set up one day before the shooting , Campochiaro asked for help in raising a deposit for a new home .
Kevin Pimentel , 12 , shot his brother Brady Pimentel , 6 , dead Wednesday night at their mobile home in Hudson , Florida . He shot his brother Trevor Pimentel , 16 , in the leg before killing himself . Kevin and Trevor had been cooking about 6pm when an argument erupted . Their mother , Helen Campochiaro , 38 , was working one of her two jobs . Relatives say she was a single mom who kept a gun for protection and that the boys had been brought up with gun safety . On a Go Fund Me page set up one day before the shooting , Campochiaro asked for help in raising a deposit for a new home .