“He writes “By simple math, in a decade today’s 4 to 7 years old will become 14 to 17 years olds. By 2005, the  number of males in this age group will have risen about 25 percent overall and 50 percent for blacks.” Citing James Q. Wilson, DiIulio adds that he can “predict with confidence” that “the traditional 500,000 boys who will be 14-17 years old in the year 2000 will mean at least 30,000 more murders, rapist, and muggers on the streets than we have today.”