Undercover FBI Operative Is Trying to Live a Normal Life -- Even When He's Being Someone Else

When it's time to go to work, it takes less than 30 minutes for Tamer Elnoury to "flip the switch" and become another person. And once he's ready to leave his home, somewhere in the Tri-State area, Elnoury is wearing the clothes and watch that belongs to his alias. He even knows his new identity's mother's maiden name. It's the only way he can successfully do his job as an FBI undercover operative. "It's a balancing act," he tells PEOPLE. "I try to separate my personal life from my professional ...