Here's a PBS site called After Oklahoma City with updated information, including links to the September 11th attacks, the Nichols Case, the McVeigh Case, and reports from the scene. It's a good starting point to research this event.
Choose an article from this archive about the Oklahoma City bombings and study it. Then, compare/contrast your selection to the one in your textbook. Where could you find more information about the things you've learned?
Some commentators advocated the use of "torture warrants" following the attacks on the Federal Building in Oklahoma City, the World Trade Center, and the Pentagon. Read this essay about the debate that ensued. After you've absorbed the main points, compare and contrast this issue of criminal justice with one raised by one of your readings.
Does the general issue of criminal justice and terrorists sound like an interesting research topic? If so, visit this directory about the war on terrorism and its intersection with human rights and liberties from Google.com.