Or if its existence and general aims are known, it may try to keep its membership and its short - term plans secret. This is true of highly motivated terrorist groups that periodically shock the world with their terrorist attacks.
यह उन अत्यंत कट्टर आतंकवादी समूहों के बारे में सच है जो समय - समय पर अपने आतंकवादी हमलों से संसार को हिलाकर रख देते हैं ।