When the CEO of a private health insurance company - Brian Thompson - was shot and killed in New York City, the ensuing manhunt for his killer dominated the headlines.  

But online, a very different story was unfolding.  
 
Niall Paterson is joined by Olive Enokido-Lineham, a journalist in Sky's OSINT data and forensics unit, to explain how speculation about the gunman's motives sparked a debate about healthcare in the US.   
Plus, Katherine Keneally, who tracks extremism and political violence in the US for the Institute for Strategic Dialogue, explores the difference between suspect Luigi Mangione and other infamous shootings. 
 
Producer: Soila Apparicio 
Editor: Philly Beaumont