Chilling Murders Committed by Little-Known Serial Killers #serialkillersdocumentaries

Joseph Robert Miller
(born Joseph Robert Tarczon; January 15, 1955) is an American serial killer and rapist who raped and killed at least six women in Chicago and Peoria, Illinois, from 1977 to 1993.
John Joseph Joubert IV
was an American serial killer executed in Nebraska. He was convicted of killing three boys: one in Maine and two in Nebraska.
Ari Dean Bright, also known as The Bonecrusher, is an American serial killer responsible for the deaths of at least eight women between the ages of 30 and 41 in central Illinois. The murders occurred between July 2003 and October 2004 in Peoria and Tazewell County, Illinois. It derives its name from its alleged tendency to burn the bodies of its victims before crushing the bone fragments with a hammer.
Glennon Edward Engelman was an American dentist, hit man, and serial killer. Engelman, a United States Army veteran and St. Louis dentist, planned and carried out at least five murders for financial gain over a 30-year period.