Available on HISTORY, A&E Crime Central, Prime Video, HISTORY Vault, iTunes, Hulu, Sling TV
At age 40, California attorney Jeff Mudgett is stunned to learn a gruesome family secret; his great-great-grandfather was Herman H. Mudgett, a.k.a Dr. H. H. Holmes, the man considered to be America's first "serial killer." Holmes' audacious acts of mass murder have become that of legend.