They should go for for an independent third party arbitration and respect the decision of the arbiter, this will prove once and for all on who is telling the truth and the legality of the claim, this is an interesting case, there could be a repeat of this scenario in the future.
Hi Robel, if you see thread post here
https://bitcointalk.org/index.php?topic=333552.msg55353973#msg55353973I just confessed yesterday to multiple lies i've made up to try and get paid. I'm sorry for mis-leading you guys but please read it and then decide.