The family he killed is the Pacheco family. Their town, Knights Landing, is in Yolo County, the county in which I grew up. Further, the family name of a classmate was Pacheco, and let's just say the age of the father who was killed with his family means he could have been my classmate's son or nephew.
The people killed by illegals - people who would be alive if immigration law had been enforced - are not numbers or even "just" names. Sometimes they might be your cousins, neighbors, or classmates' children instead of some strangers'.