Oldie but goodie - Robert Heinleins 'Moon is a harsh mistress' gives anyone interested a nice introduction into coups, cells and other things conspiracy.

Nonfiction: "Coup d'Etat, a practical handbook". Out of print and rather pricey, but an excellent read.

But before you go live, you don't know if your peer cells are real or just illusions set up to lure you into an ineffective attempt. With Gülen and AKP being such a narrow spectrum historically, changing sides is just a tiny shift in loyalty. It would be very easy to set up fake cells in that situation, it might even happen accidentally (formerly real cells not telling their peers about getting second thoughts).

But I fully agree with your subtext: it's not a technical problem.

> When you go live

There's the problem, nowadays when you go live you'd have to be able to move faster than the electrons that communicate that something is happening.

Which means you need to first remove or impair your target's means of communication, which means you need to go live before taking action.

It's turtles all the way down.