I have had Nexus/GE for about 2 years and never received SSSS. Each year I flew about 125k miles. Recently I went to Turkey and the return was from Paris and I got SSSS on return flight (boarding pass did not print online) but my wife and two children accompanying me did not get SSSS. Since then I have flown 3 legs (2 domestic and one international) and everytime I am getting SSSS. I have filed for redress and hoping that my name gets taken off the list. The security check is different at each airport. Looks like one should not fly to Turkey as there are several people in the same boat.