He's far from the first one to say this. Rudy mentioned it but wasn't sure about the legitimacy. A few hours later all of Trump's legal team was at the white house for an "emergency meeting". What was said in the meeting? Noone knows (yet), but the timing sure seems to suggest it had something to do with that info.

All i can tell you is they've been very open about their findings & investigations. Very open compared to the average lawsuit. This might be because they see it as the only way to get the news out there, or because it's just the tip of the iceberg. Or maybe because they want to set the record straight with anyone that may have more info (i.e. we know what you did and who you are, now is your chance to come out and avoid more problems).

Either way it's a pretty good strategy imo.