I agree with all of the above.
I remember the day I went along with my friends to collect my things from my former home with my ex. It was a week after he had attacked me and put me in hospital. A week after he had been arrested and charged. His Father was there. He treated me like I was the bad guy. So even the fact a law enforcement agency saw fit to charge him and put him through the criminal justice system didn't make a blind bit of difference to him seemingly accepting whatever BS his son had fed him about what happened.
Give it to the Police, or keep it for divorce proceedings, or both.