:File:Friedrich Leibacher.jpg

{{Non-free use rationale

| Description = Photograph of mass murderer Friedrich Leibacher.

| Source = {{Cite news |last=Mooser |first=Hubert |date=2011-01-11 |title=Waffeninitiative – das wollen Befürworter: Amokläufer wie Leibacher vor dem Töten stoppen? |trans-title=Gun initiative - this is what supporters want: to stop mass killers like Leibacher before they kill? |url=https://www.blick.ch/news/politik/massenmoerdern-wie-leibacher-auf-die-spur-kommen-164366/ |url-status=dead |archive-url=https://web.archive.org/web/20110114080357/https://www.blick.ch/news/politik/massenmoerdern-wie-leibacher-auf-die-spur-kommen-164366/ |archive-date=2011-01-14 |access-date=2023-12-11 |work=Blick |location=Zurich |language=de-CH |issn=1013-0667}} Same image can also be viewed [https://img.chmedia.ch/2020/9/29/75930077-287b-4a49-8b6b-c2bd817858f3.jpeg?width=662&height=720&fit=bounds&quality=75&auto=webp&crop=666,725,x0,y0 here]

| Article = Zug massacre

| Portion = Cropped version of the picture at a reduced resolution

| Low_resolution = Yes

| Purpose = To illustrate the perpetrator of the topic of the article. With this case specifically, he is the entire background as to why the event occurred, so identifying him is paramount for the same reason as any NFCC biography. Perpetrator and event notability is intertwined, and a large portion of this article is biographically focused on him as it relates to the event

| Replaceability = Leibacher is dead, so this image is not replaceable. No free alternative exists or could be created.

|Minimality=Used at one resolution, only non-free image on the page|Commercial=This is a personal image of Liebacher, not a commercial one, and his associates have stayed private so have little interest in exploiting their work.|Author=Unknown, personal associate of Liebacher}}