Links

AMTA
http://www.collegemocktrial.org
AMTA is the American Mock Trial Association. This link will take you to all of the official information from AMTA including the case, updates, rules, and important information about tournaments.

KU
http://www.ku.edu
The official website for the University of Kansas.

Objection Game
Try this game. It's great for learning to identify objectionable questions and memorizing the objections themselves.
Download The Objection Game.