The Interior Ministry's immigration investigation chief says the 17 were flown out Wednesday from the airport in Sihanoukville in southern Cambodia. Another 14 suspects are scheduled to leave this weekend from Siem Reap in the northwest.
Gen Ouk Haiseila says the two groups were being repatriated to different Chinese provinces for detention.
He says the gang would target rich people and civil servants in China, contact women over social media, trick them into exchanging nude or sexy photos then extort money from them by threatening to circulate the pictures online.