for a long time, gharem took orders.he served 23 years in the army and even made it to lieutenant colonel. a typical career path for young men from abha in the south of the country. but two classmates became terrorists and were involved in the 9/11 attacks. abdulnasser gharem: we were shocked when we saw them in the news. reporter what is the right path : preached by islam? why do some people go astray? a bridge, which collapsed shortly after its construction. many people lost their lives. all night long, gharem and his spread the word -- siraat. "the path." >> is it something individual, is it something you need to go through groups. is it something in front of you, or is it something you're going to leave behind you. reporter muslims are required to : pray five times a day. is blind obedience what is required? locked up in a cage shaped like a mosque. such a performance would have been impossible just a few years ago. this could be seen as a provocation. are the artists putting themselves in danger? abdulnasser gharem: