There is already some pressure on Crimea - any big SAM they install there gets bombed, it's been a risky place to store ammo recently, and people are nervous for good reason about driving the bridge.
"The Onion’s journalists have garnered a sterling reputation for accurately forecasting future events. One such coup was The Onion’s scoop revealing that a former president kept nuclear secrets strewn around his beach home’s basement three years before it even happened"
Or the data came from a Russian hacking group and just got put onto a random laptop for "evidence-laundering" (whatever the term is for that in this sort of situation)