Which type of experience do you think would be valued more by government alphabet agencies?

Your post is way too cryptic. I don’t where you are coming from and where you want to end. The possible branches of your routes are significant.

It depends which 3 letter agency it is. If it is the FBI (since you mention investigator), at least in years past they did not have a good reputation for how they treated their intel analysts. If you are working at the agency you might try talking with folks in those positions and see how they like it.

It really is difficult to advise based on a somewhat cryptic post. However, in my view it boils down to what most interests you.....investigations or collecting intelligence, analyzing the intelligence, then making making sense of it for your boss and staff. I think either three letter agency would reward either skill set. Ultimately your success is impacted by how much you enjoy and are committed to your work. This requires some soul searching on your part. I’m completely unfamiliar with Federal OCS....never heard of it. Good luck!’