This is a very good article but it misses a few things.

-One of the techniques these days is to borrow an already existing identity for a period of time. If person A has lived a normal life, their story exists but if they haven't gone through biometrics in country B before then it's easier to get person C in (but obviously it's still harder than before). The identify is then returned

-People with potential for dual nationality have gone up in importance. Especially if they are legally allowed also to change their name.

-Equipment and database owners are key. Watch how popular 3M systems are in the world for example