Family wants answers after mother and son shot dead in Miami-Dade Updated: Tags: MIAMI-DADE COUNTY, Fla. – The bond between Alexander Garrido and his mother Diana Ceballos was unbreakable. The mother and son were together Wednesday around midnight when they were ambushed by a gunman near NE 118th Street and 13th Avenue in Miami-Dade County. The injuries were fatal. “My mom and him were so close. He had my mom’s personality. He was so sweet,” says Diana’s daughter and Alexander’s sister Valerie. She is now planning both of their funerals. “It was unexpected. We’re so in shock,” Valerie says. “I never would’ve thought my mom would pass this way, my brother would pass this way. That’s why I want to know who did it.”