i dont no the story here but that guy sounds llike a right $%*£
anyway isnt the best way to deal with something like this to get revange.
a few days stalking can give alot of intel and ways to screw him over.
for example if he has a drink or a meal in a pub after work a quick anonomus call to the cops and say hes driving funny will atleast get him pulled over.
if its true what they say about his thiefing skills. i quick call to his work with sum bad intel will atleast get him noticed.
i could go on but id be giving away 100s of good ideas i might one day want to use