Since this is the definitive place for stuff like this, it should also be noted that former Alabama students include
Marshall Applewhite - The Heaven's Gate Cult Leader who instructed the mass ritual suicide following the Hale Bop comet.
Timothy Leary - Most famous acid-head/hippie of the 60s
Latrell Sprewell - Most notorious player in NBA history for choking his own coach, threatening to kill him and dragging him backwards by his neck, then 20 minutes later punching him in a seperate accosting. This following two separate violent fights with teammates including attempted assault with a 2x4 and threatening of gun violence. Also made headlines for being charged with reckless driving for his role in a 90 mph accident that injured two people, grounding his million dollar yacht, having two of his homes foreclosed upon, and being prohibited from seeing his children.
Bernie Madoff - Most notorious white collar criminal, possibly of all time. His name is synonymous with Wall Street corruption.
Any others?