[Lancey Howard]

it appears to me to be an attempt at intimidation.

I agree 100% with backhoe.
And I'll go a step further - - it is illegal to threaten to sue somebody, and Wild Bill may want to contact an attorney for the purpose of pressing charges and/or suing this bastard Stephen Jones. Get mad and bury him.

[PhatHead]

it is illegal to threaten to sue somebody

No it isn't. But there is no such threat in the letter from "Stephen Jones" (or whoever...)