A question bothering many is how the Gülenist Terror Group (FETÖ), whose members exploited Islam to attract recruits, managed to sneak into the staunchly secular Turkish army. A lieutenant arrested after the July 15 coup attempt blamed on the terrorist group confirmed what had been rumored for years, saying that they pretended to drink alcohol, which is forbidden in Islam, to avoid suspicion.Adem Kırcı -- an Air Force officer who was deployed at Akıncı, the military base used as the headquarters of the putschists loyal to FETÖ -- confessed to his ties to the terrorist group and gave details on their tactics used to prevent them being detected.He told interrogators that senior FETÖ members and other officers told them to buy alcoholic beverages, empty the bottles or cans and place them in a prominent spot in their garbage container in the military lodgings.Like other members of the terror cult, Kırcı used a code name within the group and confessed that he gave 15 percent of his monthly salary to the terrorist group and that he first joined while he was in high school. After high school, the "big brothers" told him to enroll in military school.When he embarked on a military career a "big brother" -- one of senior members of the terrorist group responsible for supervising members in the lower ranks -- told him to act cautiously to avoid suspicion. "He told me and others [officers linked to FETÖ] to buy beer, empty the bottles in the sink and place the empty bottles in garbage bags in a way that the others in the military lodgings would think that we drank the alcohol," he said in his confession.Alcohol is forbidden in Islam -- whose followers have traditionally been shunned by the Turkish Armed Forces, which strictly follows a secular code and any sign of religious devotion usually led officers to be blacklisted. FETÖ, which calls itself the Hizmet (Service) Movement, attracted a following over several decades by pursuing a seemingly charitable cause and disseminating religious teachings based on the sermons of its leader Fetullah Gülen. Until 2013, the cult had managed to disguise itself as a religious group promoting an inter-faith dialogue. However, that year it was finally exposed as a national threat bent on seizing power through its state infiltrators. Under the guise of an anti-corruption probe orchestrated by its infiltrators in law enforcement and the judiciary, it sought to overthrow the government by imprisoning those in power.Utter secrecy helped FETÖ to wield clout in Turkey for years. Though its sympathizers were publicly well-known, the group hid its followers in important positions, such as generals in the army.Another secret detail about FETÖ was revealed in an indictment against the terrorist group released on Friday. The indictment about coup plotters by prosecutors in the northwestern city of Edirne says that the terrorist group also decided who its members would marry and picked "intelligent and beautiful women" for people in high places, from top bureaucrats to high-ranking military officers. "The women were used for spying on FETÖ's own infiltrators and reported everything about their husbands to the senior figures in the terrorist group," the indictment says.