Meanings
From the Warren Commission's lone gunman theory, that the assassination of U.S. President John F. Kennedy was the work of a single individual, subsequently applied to numerous other political assassinations and shootings.
How to pronounce "lone gunman":
AU
An individual person who acts on his or her own initiative, without partners, especially one who has sole responsibility for doing something questionable, confidential, or iniquitous.
Example Sentences
1
The police believe that the assassination was carried out by a lone gunman.
2
The lone gunman opened fire, causing chaos in the crowded mall.
3
Despite the heavy security, a lone gunman managed to breach the perimeter.
4
Authorities are investigating whether the shooting was the act of a lone gunman or part of a coordinated attack.
5
In the movie, the protagonist is portrayed as a lone gunman seeking revenge.