1994Serial killer John Wayne Gacy was executed in the Stateville Correctional Center in Crest Hill. He was convicted of killing 33 young men and boys and, at the time, was the most prolific serial killer on record.2010Elena Kagan became the youngest justice and the fourth woman nominated to the U.S. Supreme Court. After graduation from Harvard Law School, she held federal court and Supreme Court clerkships and became a law professor at the University of Chicago. She served as associate White House counsel and policy …