This video is provided to help research the 2014 Memo 3 assignment and covers the self-defense issue. It discusses the research process, using library guides to find relevant and authoritative Pennsylvania secondary sources, navigating to Pennsylvania secondary sources on Lexis and Westlaw, using the state annotated code to find the applicable statute and cases interpreting the statute, shepardizing and keyciting the statute to make sure it is still good law, using headnotes from one case to find more cases on a self-defense issue, and shepardizing and keyciting cases to make sure they are still good law and to find more cases on the issue.  It is 9:35 min. long and is closed captioned.