The phrase "notorious murderer" refers to someone who is well-known and widely recognized for committing serious acts of killing people. Full definition
It may have been the finest one - hour CLE I have ever witnessed, as John and Sharon portrayed the tale of law enforcement's use of digital forensics to hunt and capture one of the most notorious murderers of this century. (attorneyatwork.com)
«Despite a certain lack of originality in the serial killer, who resembles notorious murderer John Wayne Gacy, this is recommended for all public libraries.» (bookbrowse.com)
Their perseverance, skill and fortitude brought an end to the world's most notorious murderer. (nystateofpolitics.com)