1 Blockage in a coronary artery during or after a heart attack. 2  Blockage or narrowing of one or more coronary arteries that puts you at risk for a heart attack.  Narrowings that reduce blood flow and cause persistent chest pain (angina) that medicines do not control.
Harold Frederick Shipman (14 January 1946 â 13 January 2004) was a British doctor and one of the most prolific serial killers in recorded history.
H.H. Holmes' Murder Castle. When a building gets nicknamed the Murder Castle, you know the story behind it is going to be bad. In 1886, H.H. Holmes, a pharmacist who would later be called the first U.S. serial killer, bought a Chicago drugstore that was owned by a cancer-stricken man named E.S. Holton.