I was referring to the threatening text messages that the land rover seller claimed to have received, but you're right, calling them a thief in a public forum would also be libel, so also rather ill advised.
If you'd care to go back and read the relatively few posts i've made on your forum you'll see that i've mentioned that i think that the blatant passing off of 90's as tax exempt is taking the ****, you'll also see that i've had not one but two land rovers stolen from me along with about £3K's worth of uninsured tools and equipment so i'm not about to act as an apologist for the scrotes who are stealing land rovers.
However, mob justice is never acceptable. it's up to the police and courts to decide if an offence has been committed, not a court of blokes off the internets, and the people who sent message to the seller, whoever they may be, would have been better served reporting the matter to the police and insisting they took some action.
Police couldn't find their nose on their face, although I feel for your lose-you are misguided