I want to prosecute him for identity theft and mental abuse if I can prove this?

I want to prosecute him for identity theft and mental abuse if I can prove this? They are being sent to the same name on his Gmail that he has on the dating site Do I prove it is him when he uses my Google accounts and makes new ones I'm not aware of. My husband has left me for these hookup sites he has lied to me and everyone else about him using them he is saying it's me when I questioned him he got violent destroyed our home smashing everything it just won't stop I have PFA and he put one on me saying I'm mentally abusing him with these sites I tried to hurt myself I ...