Original posts by Compound Interest for Luminol can be found HERE and for the Smell of Decomposition HERE.
For more information about Luminol, check out How Stuff Works.
The American Chemical Society put together a video about what happens to your body when you die. Check it out HERE.
Much of what we know about the decomposition of human bodies in varying conditions is done on pigs. Mike Rowe of Dirty Jobs tagged along with the entomologists to learn what they learn. Check that video out HERE.
For a TedEd on the first chemistry related forensics - watch this!
And just because it is interesting, here is a TEDTalk about the credibility of eye witness testimony. If you haven't taken forensics with Mrs. Woodward, this stuff is so interesting!