Try these people - i think theres a list as well you can join to get advice.
www.workplacebullying.co.uk/targetind.html
if your work place has a union, most places now a days do,
then ask them to help as well, as they will step in,
and be there for you,
if your work place dosent have one, you can always join one
and get help and advice, but make sure you check your work contract first
as some have put it in there contracts, that you are not allowed
to join any type of union,
hopefully once your stress levels have gone
and everthing is sorted Murray will go back to normal,
you could give him some RR to help in the mean time.