I think this is the right way to look at it. The twitter bot didn't give this information to law enforcement, because unless they're idiots they've been monitoring and archiving this from day one.
I doubt they’ve been monitoring and archiving this from day one.
You might be suprised.
I would be, this is exactly the use case for Palantir's social media monitoring system. If they failed to pull in this data source that would be a huge miss. Especially since Palantir and PayPal (who now owns venmo) were co-founded by the same person.