Identifying all of the skeletons found under Gacy's house will take years, but by reading the clues in the bones, forensic anthropologists can tell what kind of person the Killer Clown targeted.
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.
Watch this episode online now.
Stream hundreds of shows by starting your free trial to Smithsonian Channel Plus.
Access even more free Smithsonian Channel full episodes and documentaries online through participating TV providers.
Find out if your television provider carries Smithsonian Channel.
Don't panic! It's simple to upgrade to the latest version of one of these browsers:
Don't panic! To get the best possible experience on smithsonianchannel.com we recommend you upgrade your operating system.
For the best possible site experience, please use Chrome for Android.
Add username "SmithsonianChan" on Snapchat for fun and fascinating facts. We'll be sharing spontaneous photos and videos as inspiration strikes.