Authorities say surveillance camera footage revealed no other people around the RV.
FBI press conference:
https://abcnews.go.com/US/nashville-bombing-suspect-killed-explosion-fbi/story?id=74923946
Comments from Warner's neighbors:
https://www.sinsthatcrytoheavenforvengeance.com/2020/12/anti-5g-nutter-anthony-quinn-warner.html