Messages on unfired bullet casings left by Tyler Robinson, the 22-year-old accused of shooting Charlie Kirk, appear linked to online alt-right movements.

Writer: Jess Swinburne, with reporting from Nicky Woolf

Producer: Amalie Sortland

Host: Casey Magloire

Episode photography: Sofia Fenton

Executive Producer: Rebecca Moore & Jasper Corbett

To find out more about The Observer:

Subscribe to TheObserver+ on Apple Podcasts for early access and ad-free content

Head to our website observer.co.uk

Download the Tortoise app – for a listening experience curated by our journalists

Hosted on Acast. See acast.com/privacy for more information.

Is meme culture tied to Charlie Kirk's death?