Ask HN: What are red flags when you interview prospective people?

DHH's perspective addresses some of your question:

https://medium.com/@christophelimpalair/why-the-founder-of-r...

Have them explain to you what they have understood of your line of business. If they show no interest or are not willing to be "corrected" when they (inevitably) make a mistake, you have a non-team player in front of you.

Not being able to explain things that are on their resume.