Oooh my area!
I'm only starting second year now so I can't tell you much, but I can tell you that first year has
nothing to do with Forensics. If you have absolutely no interest in Law, it could be a bit trying at times, but if you're really eager it should be no problem at all.
All up you'd do three Forensics subjects, one in second year and two in third year. The other subjects comprise of biology, chemistry and physics subjects that relate to Forensics in one way or another.
Go here for more info on the course:
http://ccdb.newcastle.edu.au/courseinfo/displayprogram.cfm?docid=129&FOS=12&UGPG=13 or ask me questions, I'd be happy to help.