Mac,

I have been on these boards for about 7 years. I can only think of two cases where there was absolutely no sign of OP being involved. So the odds are not in your favor but I keep thinking your case may be different.

Did you/do you have access to her phone? Meaning was the password unprotected or you knew it and could go into it whenever you wanted?

Unfortunately words don't mean anything right now. It's hard not to read into them.