The CIA's retired head of disguise pointed out, in commenting on a movie, that you can't really have a drawer full of fake personas (the intel community calls them "legends") ready for use. Good personas are high-maintenance. They have to have some reality behind them - mail drops, email accounts, phone numbers, social media presences, even physical offices. Those take time, money, and ongoing attention. You can't ju…
Unlike most people that lie in a one off situation knowing it wouldn’t come up again, if you’re lying about who you are, it lives on forever. All those little things add up and if you’re living out multiple identities, it’s hard to keep them compartmentalized.
Even worse, much like actors that go too far with method acting, there is always risk you will buy into the lies and believe that’s really who you are.