Some you can download. You will need to access these sites and see which ones are available.
Here are a couple of sticky threads (found at the top of this forum) about Forensic Nursing. Should answer all your questions.
How Do I Become a Forensic Nurse/Role of the Forensic Nurse
Forensic Nursing - Is it For You?
If you have other questions/concerns, please post here and I will be happy to address them.