Sociopaths are normally hard to identify.
They tend to out themselves in a crisis.
https://www.motherjones.com/kevin-drum/2020/10/covid-19-exposes-trumps-sociopathic-side-like-nothing-before-it/
However, there are always hints & red flags.
https://www.dailymail.co.uk/sciencetech/article-13196853/Sociopath-battling-personality-disorder.html
Is willingly owning a Tesla cybertruck a red flag?