What Strack and the domestic violence community believe today is that most strangulation injuries are internal and that the very act of strangulation often turns out to be the penultimate abuse by a perpetrator before a homicide.11 “Statistically we know now that once the hands are on the neck, the very next step is homicide,” says Sylvia Vella, a clinician and a detective with the San Diego Police Department in the domestic violence unit at the San Diego Family Justice Center. “They don’t go backwards.”12

