A study claims that 40% of police officer families experience domestic violence, but where is that number coming from? A meme circulating on Facebook is making the claim based on that study, but is it accurate? The answers are complicated. Do 40% of police officer families experience domestic violence? It’s complicated. (KUTV file) 2News did some digging and found it comes from two studies done in the early 1990s which were highlighted by the National Center for Women & Policing.