Extra money passing hands is common in Peru, but the government is making a big effort to get this corruption under control.  If you talk to missionaries here, you will get lots of different ideas on how to address or work through this part of the culture.  I have never purposely been part of a bribe here, but in retrospect I have thought maybe I had unwittingly been part of one.  There are often extra receipt-less expenses for services that make you wonder.  But, lots of expenses here are provided without a receipt, so maybe I should just calm my suspicions.  With these experiences in mind, I read with interest on the Christianity Today website an article titles “When Should an Overseas Missionary Pay a Bribe?”  There are several interesting opinions, and I found myself thinking in new ways about this confusing topic for a developing world missionary.