Fájl:In the Line of Duty.jpg

This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties. العربية ∙ беларуская (тарашкевіца) ∙ čeština ∙ Deutsch ∙ Ελληνικά ∙ English ∙ español ∙ français ∙ Bahasa Indonesia ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ Nederlands ∙ português ∙ русский ∙ sicilianu ∙ slovenščina ∙ ไทย ∙ Tiếng Việt ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−

The photograph was published in numerous newspapers in the U.S. with no copyright notice, neither on the newspaper as a whole (including the front page, masthead, and editorial page), nor on the photograph specifically. For example:

• San Francisco Examiner
• Wausau Daily Record-Herald
• Oakland Tribune
• The Racine Journal-Times
• Green Bay Press-Gazette
• The Arizona Republic
• The Muncie Star
• Times-Democrat (Davenport, Iowa)
• The Sacramento Bee
• The Miami News
• The Charlotte News
• Wilmington Morning News
• Democrat and Chronicle (Rochester, New York)

No instances were found with a copyright notice for the photo itself, indicating that it was distributed to newspapers without a copyright notice.