The family of the San Francisco man stabbed and killed while holding his young son's hand speaks out about their loss

Family members describe the man stabbed and killed while holding his 8-year-old son's hand in San Francisco was described as being a great dad, "he was the absolute definition of a dad. He cared the world for his baby." The mother of the victim's son says their child described the ordeal of witnessing the attack on his father. The family wants justice, saying that the suspect has caused them a lifetime of pain. Now, the child's mother says their son is in therapy.