as a shadow government, collecting taxes, it can be hard to tell when an individual is truly a supporter, or coerced into payment. Distinguishing between the voluntary insurgent, the coerced supporter, and the innocent bystander is one of the most difficult obstacles (if not the most difficult) for the COIN force. They [insurgents] typically have sources of support among the local populace of the same ethnicity with whom their separatist goals (or appeals to blood links) may resonate.

As in Iraq, multiple organizations can be both IF