The suspect in Charlie Kirk's fatal shooting is confirmed as Tyler Robinson, a 22-year-old from Utah, but detailed personal background claims and weapon specifics are not fully verified by the sources.
Charlie Kirk's attacker is now confirmed to be a cis white Christian male Tyler Robinson who wore a Trump Halloween costume, frequented 4chan and alt-right Discord channels, and enjoyed the video game Helldivers. Not a muslim, trans person, or radical leftist. The weapon was a Mauser 98, based on the Gewehr used by Germany in WW1 and WW2.

Charlie Kirk: influential rightwing activist and trusted ally of Trump
Source: theguardian.com
Key Evidence
Multiple reputable news outlets confirm Tyler Robinson as the suspect in custody.
independent.co.ukindependent.co.ukCharlie Kirk murder suspect identified as Tyler Robinson: Live updates
apnews.comapnews.comCharlie Kirk shooting live updates: Suspect in custody is 22-year-old from Utah
No source mentions his personal identity details or online activity as described.
Weapon details are not specified in any source.
What the Evidence Shows
All the reliable sources agree that Tyler Robinson, a 22-year-old man from Utah, is the suspect in the fatal shooting of Charlie Kirk at a Utah college event. This is well established by multiple major news outlets including AP News, The Independent, PBS News, and others.
However, none of the sources provide detailed confirmation about Robinson's personal identity traits such as being cisgender, white, Christian, or his political or online activity affiliations like frequenting 4chan or alt-right Discord channels. Similarly, there is no verified information in these reports about him wearing a Trump Halloween costume or enjoying the video game Helldivers. Regarding the weapon used, none of the sources specify it as a Mauser 98 or link it to historical German Gewehr rifles from WW1 or WW2.
The reports focus on the event and suspect identification but do not delve into these specific details. Therefore, while the core fact about Tyler Robinson being the suspect is solidly confirmed, many of the additional descriptive claims remain unverified based on available evidence.