It may just be an unescapable human trait, or it could be that we have psychologically evolved less than we actually believe, but the tendency for human beings to search for other reasons and explanations for bad incidents has alway been present. The book, "The Crucible," by Arthur Miller, focuses on the Salem Witch trials. The book was written about the same time as the "Red Scare, " and the McCarthy trials, and compares the mass hysteria surrounding both events, hence the name, "The Crucible." On April 20th 1999, two students, Eric Harris and Dylan Klebold, opened fire in a suburban Denver high school, killing 13 people, including themselves. What ensued afterward throu