I agree with Handsome Jack in that you could be leaving vital information
out. Its very difficult to diagnose a behavior problem that includes
aggressive reactions over the internet because you really need to see the
dog and see such reaction in person. Its even more difficult if you don't
have all the info.

Anyway, I'd recommend contacting the Rottie rescue in your state and asking
them for a trainer recommendation. I personally dislike boot camps for dogs
(where they are sent off and trained by someone else) because IMO it needs
to be the owner doing the handling & training, gauging the responses, and
learning in the process. Many times, dogs will act differently for a total
stranger so sending him to this guy who is an hour away may not be worth
your money, the dog's time or his discomfiture at being left for all that
time. I also believe boot camps generally cost alot more than going to a
local trainer would so you may be able to afford someone local, where they
teach you and you teach the dog.

--
Tara