Gary Matthews was into conspiracy theories - until he caught Covid and died. What role did falsehoods play in his death? BBC disinformation reporter Marianna Spring investigates.

Gary Matthews was a talented artist and photographer, sociable and well-liked - a familiar face in his hometown of Shrewsbury. A few years ago, his friends noticed that he was getting into conspiracy theories. Like millions of others, he fell for Covid pseudoscience when the pandemic hit. In January 2021, at the age of 46, Gary caught the virus, and died.