The scammers are pretty brazen and try to convince others that their scams are true.
Here are some examples:
1. A scammer vouches for a scam that he promotes, for example: for the Email fraud: qualifying for the Cadbury Foundation cash aid, he adds a comment saying:
Name: James Arnold
IP Address: 18.104.22.168
Subject: They are true.
My Friend made his money from this same email, last year.