25 April 2014, 15:39
This could be where all that observation pays off....if you watch long enough you will glean what you need to know about this group, is it a happy camp , have you seen acts of violence/aggression are people free to move about/be at rest are there captives in a forced labour situation....if you are happy with what you see you could perhaps make a tentative approach.
Nothing is fool proof for a sufficiently talented fool!!!!