Armed police provide security to Police Major General Thatchai Pitaneelaboot as they sail up a river in towards a trafficking camp in Satun, southern Thailand March 27, 2014. Thatchai is leading a campaign against human trafficking in the region. Picture taken March 27, 2014. To match Special Report THAILAND-ROHINGYA/ REUTERS/Andrew RC Marshall (THAILAND - Tags: CIVIL UNREST)