Utility worker Roderick Jackson, killed in Waltham crash, remembered as ‘heart’ and ‘backbone’ of family

A photo of a social media post from Manuel Asprilla-Hassan's phone of him (left), when he was younger, with his brother Roderick Jackson, who worked for National Grid and was killed in Waltham along with a Waltham police officer when both were hit by a car in Waltham. John Tlumacki/Globe Staff