Italian police identify researcher Youssef Siher as alleged creator of protest page
Authorities investigate the 30-year-old for incitement to crimes aggravated by terrorism.
AI-assisted coverage comparison, editor-supervised · How this was made
Italian police identify researcher Youssef Siher as alleged creator of protest page
Photograph: Il Fatto Quotidiano (embedded from source)
What this story says
- Youssef Siher, a 30-year-old Italian of Moroccan origin, is being investigated for allegedly creating the Instagram page 'Movement 17 October'.
- Italian Minister of the Interior Matteo Piantedosi stated Siher has contacts with 'antagonist environments' and is a freelance journalist.
- Intelligence services, specifically Aisi, identified Siher through social media monitoring.
- Siher has a background as a PhD researcher with studies in geopolitics and past collaborations with 'Il Fatto Quotidiano' and ISPI.
Who covered it
Percentages are shares of the 9 outlets carrying a published leaning rating. 16 of the 25 outlets we know ran this story carry no rating and are not counted in them. Coverage measured .
Trust
60/100
Craft
60/100
Hype
40/100
25 sources · methodology
Thin on the right so far
Only 2 of the 9 outlets with a published leaning rating that ran this story are rated right.
This story is still being watched, so it is a count and not yet a finding. Coverage keeps arriving for hours after an event, and a side that has published nothing this morning may publish by tonight. If it is still true when we stop checking, we will say so plainly.
Italian authorities have identified Youssef Siher, a 30-year-old Italian of second-generation Moroccan origin, as the alleged creator of the Instagram page 'Movement 17 October'. Siher is under investigation for incitement to commit crimes, with the charges aggravated by terrorism and the use of computer means. The identification was reportedly made by intelligence services, specifically Aisi, through social media monitoring.
Minister of the Interior Matteo Piantedosi stated that Siher has contacts with 'antagonist environments' and works as a freelance journalist. Siher's background includes a PhD research position, studies in geopolitics, and previous collaborations with the publication 'Il Fatto Quotidiano' and the Institute for International Political Studies (ISPI).
Disagreement on Siher's residence
While ANSA reported that Siher is formally resident in the province of Brescia and was being questioned at the Milan police headquarters, Agi.it stated that he lives in Milan and was searched at his parents' home that morning. Il Fatto Quotidiano also noted he is formally a resident of Brescia.
What the coverage left out
None of the left-rated digests mention Siher's background as a PhD researcher or his studies in geopolitics. None of the right-rated digests mention Siher's background as a PhD researcher or his studies in geopolitics, nor do they mention his past collaborations with 'Il Fatto Quotidiano' and ISPI.
Still developing. We have re-checked which outlets are covering this 2 times, most recently on 24 Oct 2026, 18:45, and will add the sides that appear.
How each side covered it
Our own reading of the reporting listed below, written from the outlets’ articles rather than quoted from them. The reasoning is set out on our methodology page.
Left
6 rated outlets
- Left-rated reports highlighted Youssef Siher's background as a researcher and journalist. El Pais noted he is an Italian journalist of Moroccan origin. La Vanguardia described him as a politologist of Moroccan origin being investigated for incitement to commit crimes. Il Fatto Quotidiano identified him as a 30-year-old researcher of Moroccan origin and freelance journalist, accused of being the organiser of the Instagram page. La Repubblica referred to him as 'Propal, 30 years old, freelance', stating he is before investigators accused of incitement to criminals. La Stampa focused on his background, noting he is a PhD researcher currently being investigated for incitement to aggravated criminals.
Centre
1 rated outlet
- The centre-rated report from ANSA provided a detailed profile of Youssef Siher, identifying him as a 30-year-old Italian of Moroccan origin and a PhD researcher. It detailed his alleged role as the mind behind the 'Movement 17 October' Instagram page and his investigation for incitement to commit crimes aggravated by terrorism. The report also included statements from Minister Piantedosi regarding Siher's contacts and freelance journalist status, and noted his background in geopolitics and past collaborations.
Right
2 rated outlets
- Right-rated reports from La Razón and La Verità focused on Siher's Moroccan origins and pro-Palestinian affiliation. La Razón stated the Italian Minister of the Interior specified the suspect is a journalist and 'militates in the pro-Palestinian environment'. La Verità's headline read 'Moroccan Origins and Pro Pal: Who Is the Mind Behind the Movement October 17', and mentioned he was stopped in Milan and brought to the police station, quoting Minister Piantedosi expressing trust in the police work.
Questions about this coverage
- How did the left and right cover Italian police identify researcher Youssef Siher as alleged creator of…?
- Of the 9 outlets on this story carrying a published leaning rating, 67% are rated left, 11% are rated centre, 22% are rated right. Those percentages are shares of the rated outlets, not of every outlet that ran it, which was 25. The sections above set out what each side emphasised, in its own terms.
- Is Italian police identify researcher Youssef Siher as alleged creator of… left or right?
- Too few of the outlets on this story carry a published leaning rating to say. 9 of them do, and this site does not characterise a field under 12: at that size one newsroom filing moves the share by ten points. The percentages above are the count as it stands.
- Is the coverage of Italian police identify researcher Youssef Siher as alleged creator of… biased?
- Italian police identify researcher Youssef Siher as alleged creator of protest page is one event reported by 25 outlets, and this page does not rate the story as biased or unbiased. What it publishes is the spread: which outlets ran it, where named rating organisations place each of them on the spectrum, and what each side chose to lead with. A leaning rating describes an outlet's record over time, not this article, and the two should not be run together.
- Which side is not reporting Italian police identify researcher Youssef Siher as alleged creator of…?
- When we first saw this story, outlets rated right had barely covered it. Coverage accretes for hours after an event, so that is where to look rather than a verdict — the split above is the current count, and it is the one to read.
- Which outlets covered Italian police identify researcher Youssef Siher as alleged creator of…?
- 25 that we know of, every one of them listed further up this page with a link to its own report and to what we hold on the publisher. Nothing here is a summary of somebody else's summary: the outlets are named so the original reporting can be read.
- Who is Youssef Siher?
- Youssef Siher is a 30-year-old Italian of second-generation Moroccan origin. He is identified as the alleged creator of the Instagram page 'Movement 17 October' and is being investigated for incitement to commit crimes, aggravated by terrorism.
- What is Siher being investigated for?
- Siher is being investigated for incitement to commit crimes, with the charges aggravated by terrorism and the use of computer means. This is in relation to his alleged role in creating and managing the 'Movement 17 October' Instagram page.
- How was Siher identified?
- Italian intelligence services, specifically Aisi, are credited with identifying Youssef Siher through social media monitoring. This work tracked activity on the web in the days leading up to his identification.
Read it at the source
25 outlets, grouped by the leaning a published rating gives them. Every headline links to the original; an underlined outlet name opens our profile of that publisher.
Left
6- The Dreaded Day of Protests in Italy Takes Place without Incident and with the Arrest of the Alleged Network Promoter of the Riots (opens El Pais in a new tab)
- The Alleged Brain of the Youth Protests in Italy Arrested in Milan (opens La Vanguardia in a new tab)
La Vanguardia — is La Vanguardia biased? Our profile of this outlet
- A 30-Year-Old Researcher Suspected of Administering the Page "Movement 17 October" Was Arrested. (opens Il Post in a new tab)
- Movement 17 October, Alleged Organizer Investigated for Incitement to Criminals (opens Il Fatto Quotidiano in a new tab)
Il Fatto Quotidiano — is Il Fatto Quotidiano biased? Our profile of this outlet
- Propal, 30 Years Old, Freelance: in the Police Station the Creator of the Chat "Movement 17 October" (opens La Repubblica in a new tab)
La Repubblica — is La Repubblica biased? Our profile of this outlet
- From the Doctorate to the Digos Investigations: Who Is Youssef Siher, Suspected for the Movement October 17 (opens La Stampa in a new tab)
Centre
1Right
2Not rated
16- Movement 17 October: Researcher and Journalist Investigated. Youssef Siher, Pro Pal and Expert in Islam - Firenze Post (opens firenzepost.it in a new tab)
firenzepost.it — is firenzepost.it biased? Our profile of this outlet
- Italy: 30-Year-Old Moroccan Allegedly Created the Website “17 October”, Which Coordinates the Protests (opens Libre in a new tab)
- Scontri Milano, Who Is the Creator of the Movement October 17 (opens Agi.it in a new tab)
- Cortei, Identified in Milan as the Creator of the Movement 17 October: He Is Pro Pal and Freelance Journalist of a Newspaper (opens Il Quotidiano del Sud in a new tab)
Il Quotidiano del Sud — is Il Quotidiano del Sud biased? Our profile of this outlet
- Movement 17 October, Investigated Youssef Siher: Searched in Milan (opens LiberoReporter in a new tab)
LiberoReporter — is LiberoReporter biased? Our profile of this outlet
- "Presunta Mente Del Movimento 17 Ottobre Ha Contatti Con Antagonisti" Press Agency Italpress (opens italpress.com in a new tab)
italpress.com — is italpress.com biased? Our profile of this outlet
- Italy: 30-Year-Old Man Identified for Allegedly Coordinating Violent Protests Online (opens ΑΘΗΝΑ 9,84 in a new tab)
ΑΘΗΝΑ 9,84 — is ΑΘΗΝΑ 9,84 biased? Our profile of this outlet
- Italy: 30-Year-Old Website Administrator Arrested for Organizing Riots (opens Business Daily in a new tab)
Business Daily — is Business Daily biased? Our profile of this outlet
Show 8 more
- Milan, Investigated the Founder of the "Movement 17 October" (opens corrieredellacalabria.it in a new tab)
corrieredellacalabria.it — is corrieredellacalabria.it biased? Our profile of this outlet
- Who Is Youssef Siher, the Thirty-Year-Old Who Could Be Behind the Movement October 17: From Geopolitical Studies to 10,000 Registered Chat (opens vanityfair.it in a new tab)
vanityfair.it — is vanityfair.it biased? Our profile of this outlet
- RAINEWS * CHRONACA: "CHI È YOUSSEF SIHER," THE RESEARCHER INDIGATED AS MIND OF THE "MOVE 17 OCTOBER" . News From Italy - World / Trentino Alto Adige (opens Agenzia giornalistica Opinione in a new tab)
- Movement 17 October, Who Is the Creator Youssef Siher: Is Investigated for Incitement to Criminals (opens Business.it in a new tab)
Business.it — is Business.it biased? Our profile of this outlet
- Stopped Youssef Siher, Would Be the Founder of the Page Movement October 17 (opens Il Capoluogo in a new tab)
Il Capoluogo — is Il Capoluogo biased? Our profile of this outlet
- Who Is Youssef Siher, the Mind of the Movement October 17: Researcher Ispi, Activist Pro Pal, 30-Year-Old Brescia Second Generation (opens ilgiorno.it in a new tab)
ilgiorno.it — is ilgiorno.it biased? Our profile of this outlet
- Who Is Youssef Siher, the Mind of the Movement October 17: Researcher of the Ispi, Activist Pro Pal, 30-Year-Old Second Generation Brescia (opens Quotidiano Nazionale in a new tab)
Quotidiano Nazionale — is Quotidiano Nazionale biased? Our profile of this outlet
- "It's Him!" Movement 17 October: that's Who the Founder Is. (opens The Social Post in a new tab)
The Social Post — is The Social Post biased? Our profile of this outlet
How did this read?
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