Whenever a crime has happened in the community and people don't know for sure who did it, like exposing a theft in the community, then the community simply gather and do some sort of "investigation" within itself first, it is called Wechachinyi in Afan Oromo.
Accordingily, upon a time a theft occured in the community and the community convened itself again to investigate (pinpoint) who the culprit could be.
They came together and at the opening of the meeting they simply said, "let 's keep quite and just wait until the culprit starts talking, afterwards we can catch him easily". Moments later came the true culprit, the thief, and got up and asked, "if this is indeed the case, then when did I talk on my own"?
And that was it. The gathering had its meeting shortened and said "thank you, that was what we were looking for".
In the same token ABN acted in similar way and exposed itself in the following video through one of its operatives in the name of Asemahegn Asres:
Look at around 15:00 min. into the video: