Like everywhere where great social inequalities prevail, there is a heightened risk of corruption. The Dadaab camp complex, the largest and oldest refugee camp in the world has its share of corruption.
Some refugees pretent to represent NGOs, hoping to receive from generous foreign donors some financial donations that they will keep for themselves.
So, when donating money, as for any other charitable donation, it is best to keep with a known charity, with a track record of accountability.
See also