In every case of political unrest in a certain country, the police have discovered that some unknown person or persons organized and fomented that unrest.
Conclusion
There is a single mastermind organizing/fomenting behind all the cases of political unrest in the country.
Evidence
In every case of political unrest in the country, there has been a mastermind organizing/fomenting that unrest.
Evaluate
Our objection to this argument would be something like, (cough---George Soros--cough-cough)
That would be like saying
Goal
This has the feel of Part vs. Whole somewhat, but it's a little weirder.
In each case of X, there was a Y (premise) Thus, there is one Y behind all the X's (conclusion)