The three Iranian security officers rang the doorbell, politely informed the man of his arrest, thoroughly searched the house, confiscated high-tech gear and books, and whisked him away to the nation's notorious Evin Prison. The early Sunday morning raid took three hours. Now, every second seems like an eternity for the man's anguished family members, praying for his physical safety, hoping for his release, and getting their heads around the prospect of a long stint in prison, his relatives told CNN. His family says the reason for his arrest is his religion…