[arcaniagainee]

I think with what you have on him now is enough to question him on as the fact isnt how long he has been doing it but the fact he is doing it. Now you need to decide what your next step is and if you want more proof there are many programs that will help you like a key logger. Also if you have another email addy that he is using put that into google and search it as it will show you any places he signed up for with that email address.