1. Charlie Kirk, a prominent right-wing activist and founder of Turning Point USA, was shot and killed while speaking at Utah Valley University during his event, “American Comeback Tour”.

2. Social media platforms strengthen content moderation efforts to curb community guideline violations relating to the dissemination of violence.

Authorities begin a manhunt for the shooter, releasing footage of the suspected individual. International political figures, including Canadian politicians, issue statements and condemn political violence.

Canadian journalist and online commentator Rachel Gilmore is listed first on a website (that is no longer available)  which collected over 20,000 submissions and published personal information of individuals who allegedly ‘celebrated Kirk’s death’. Member of Parliament Andrew Scheer replied to Gilmore’s initial comments online which were hosted on the compilation site.

1. Manitoba cabinet minister faced calls from national post editorials and provincial opposition to resign following post condemning Kirk.

2. Utah Governor announces that 22-year old Tyler Robinson has been taken into custody. Robinson also appears to have confessed to the incident two hours before his arrest on a Discord chat. 

3. Officials reveal information related to the bullet-casing inscriptions, which draw reference to online culture.

1. Ottawa man charged after school threatened over Kirk post by staff member.

2. Vigil for Kirk held in Calgary.

A statement in the House of Commons on the assassination of Kirk receives a standing ovation.

1. University of Toronto Professor Ruth Marshall is placed on administrative leave after posting controversial comments on X on September 10.

2. Charges are filed against Tyler Robinson, with Utah state prosecutors seeking the death penalty. 

3. Vigil for Kirk held in Winnipeg, with more than a thousand people in attendance, and in Regina.

President Donald Trump announces intentions to dismantle ‘radical left’ groups following Kirk’s killing; Trump and key allies reveal potential plans to shut down left-wing organizations that they say encourage political violence.

ABC announces late night show, Jimmy Kimmel, has been indefinitely suspended after comments accusing Donald Trump’s political movement of exploiting the killing of Charlie Kirk.

1. Multiple employers and universities investigate and discipline staff for potentially inappropriate comments made about Kirk. Free speech groups raise concern over intimidation tactics and potential chilling effect. 

2. Political rhetoric continues to intensify online: right-wing media figures frame Kirk as a martyr and the assassination as a partisan attack and call for retribution.

3. False or misleading claims and conspiracy theories continue to circulate online, related to the alleged shooter, their ties to partisan politics, connections to foreign governments, their actions leading up to and after the shooting, and the nature of the incident. 

4. State media outlets continue to exploit the events to pursue their political agendas in the United States and Canada.