The reference to the names "Detective Stu Pitt" and "Detective Laughlin Foo" on the last page has me wondering about this. They both really, really sound like joke names. The similarity to the presenter's name (first slide) from the real North Dakota State Attorney's Association (NDSAA) presentation (http://www.ndsaa.org/Computer_Forensics_for_Prosecutors.pdf) also seems suspicious.
It has the look that somebody took the real NDSAA presentation, tweaked it up, and released it as a hoax.
I dug a little further. Not only is there "Detective Stu Pitt", there's also "Laughlin Foo" for the next day's presentation, and the link at the bottom is for the North Dakota State Attorney's Association, though the only state mentioned (and whose seal is used) is Oregon. This is phony.
It has the look that somebody took the real NDSAA presentation, tweaked it up, and released it as a hoax.
Edit:
Here's a site that seems to be hosting the same PDF as part of an article dated 1 April 2013: http://www.techarp.com/showarticle.aspx?artno=770