Illinois has played host to two of the most grisly murder cases of the last century. One involving the Sausage King of Chicago and the other the Killer Clown. Both cases were solved thanks to the victims' bones. Forensic anthropologists can now analyze skeletal remains to determine a person's age, sex, ancestry, stature, unique features and more importantly: cause of death. Revisit history's most shocking homicide cases cases as this forensic tool is put to the test, delivering powerful and undeniable evidence that brings countless killers to justice.