Marvin B., 38, who is being held on suspicion of killing his 52-year-old ex-partner in Leiderdorp in January, recorded the violence on video. According to prosecutors, he made six clips, some with added commentary, which he allegedly sent to the victim’s daughter and two of her friends.B. called emergency services himself afterward and was taken into custody. He acknowledged that a dispute took place and that he used violence, but claims he cannot recall the fatal acts.