istanbul turkish authorities issue detention warrant monday 106 people believe work matchmakers network accuse orchestrate last year fail military coup spokesman istanbul police say sixty-two suspect detain operation center istanbul spread 20 provinces say operations locate rest ongoing suspect marriage officials supporters u.s.-based cleric fethullah gulen turkish government say behind fail july 2016 coup spokesman say gulen deny involvement coup attempt believe help set arrange marriages gulen followers say turkish officials say gulen network closely monitor personal professional live supporters include education career marriages turkish police state intelligence officials identify suspect joint operation use conversations trace bylock encrypt message application commonly use gulen supporters spokesman say turkey identify 215,092 users bylock launch investigations 23,171 interior minister say last month 50,000 people include security officials military personnel civil servants detain aftermath coup crackdown alarm turkey western ally right group say president tayyip erdogan use coup pretext muzzle dissent government say measure take emergency rule impose coup necessary due security threats turkey face turkey issue warrant 106 'matchmakers cleric 's network