Conspiracy theorists: people who exhibit high levels of distrust, are most likely to believe false information.

https://www.psychologytoday.com/us/blog/social-instincts/202011/the-one-trait-conspiracy-theorists-have-in-common

“We find that demographic and economic characteristics of individuals are poor predictors of whether they are more likely to believe false narratives,” state the researchers. “However, consistent differences arise along a key dimension: conspiracy theorists are significantly more likely to report high levels of general distrust. Specifically, a one standard deviation increase in [distrust] increases the likelihood that an individual believes misinformation by about 14 percentage points.”