Teachers will want to visit this site for a huge resource of PowerPoint presentations on forensics.
Pick up some great information and ideas for your unit on forensics here.
If you need even more ideas and resources check here.
Visit this site for a treasure trove of resources including online activities for your class to try their hands at crime solving.
Head to ethemes site for a full explanation of the types of analysis that occur in crime scene investigations. Great for improving your own background knowledge.
Here is a gold mine of forensic lesson plans to keep you investigating crime for the rest of the year. You'll have a hard time choosing which ones to do. Head to Science Spot and check out the links they have for you and your class.
The Museum of Science and Industry in Chicago has a great set of teacher lessons in handwriting analysis, fingerprint analysis, fiber collection and analysis, chromatography, DNA, and chemical analysis of four white powders. A great source for creating your own CSI investigation in your class room.