In the Retribution, Victor was shown in the past where he was young when he met Aaron. They become friends. There's a picture of Aaron and Victor at college was shown also.
In the Blood Hunters, Victor returns and he comes to Arizona after founding out the hunter's arrival. Victor meets Shane and Midnight. He grows antagnistic feelings towards Shane, Midnight. Victor threatens Dawn and her daughter. Victor meets his great(4) son Josh who is a Hunter but then Victor changes him into a werewolf. Josh became angry at his ancestor. Victor compels Josh and becomes his boundy hunter.