As everyone has said -- Valve will NEVER 'oversee' a trade, that simply is a slippery slope that Valve isn't going to go down to begin with.
I would recommend that you file your report in this fashion.
I apologize if it is wrong to ask, or maybe if there is a current thread out there with a reply to this question already, but I couldn't find one....
VAC ban is too "common" denominator imo. It should name what game/engine one is banned from. ^ I agree with you, it should state and name what...
Separate names with a comma.