Nick Reiner's familial contention extended beyond what he experienced with his parents Rob and Michele... his behavior was enough to leave his sister Romy "traumatized," too. The screenwriter, who has been formally charged with two counts of first degree murder in his parents' brutal slayings, has allegedly "always been hostile and volatile" towards the family, including siblings Romy, 28, and Jake, 34. On Monday, a source opened up to Us Weekly about the "anger" he expressed: "A lot of his anger was directed at his parents for many, many years.