Cialdini raamat
sules injected with cyanide and Gerber baby food products laced with glass. Ac-
cording to FBI forensic experts, each nationally publicized incident of this sort
spawned an average of 30 more incidents (Toufexis, 1993). More recently, we've
been jolted by the specter of contagious mass murders, occurring first in work-
place settings and then, incredibly, in the schools of our nation. For instance, im-
mediately following the bloody rampage by two Littleton, Colorado, high-school
students on April 20, 1999, police responded to scores of similar threats, plots,
and attempts by troubled students. Two of those attempts proved "successful": A
14-year-old in Taber, Alberta, and a Is-year-old in Conyers, Georgia, killed or
wounded a total of eight classmates within 10 days of the Littleton massacre. In
the week following the horrendous murder-suicide attack at Virginia Tech Uni-