http://forensics.spreitzenbarth.de/2012/02/28/cracking-the-pattern-lock-on-android/
https://github.com/sch3m4/androidpatternlock/blob/master/crack.pattern.py
Xplico Part 1:
Xplico Part 2:
http://www.securitytube.net/Xplico-Network-Forensic-Analysis-Tool-Demo-video.aspx
If you’re curious about a good live Linux forensics distro that even includes this tool, check out:
http://www.deftlinux.net/