This can be a red flag for any cluster B personality disorder I think. What really determines which one it is, is knowing the internal motivation of the person with said cluster B disorder. That can be tricky, for obvious reasons.

Though speaking from personal experience of someone who has the mind of a predator, this is something I would theoretically do. When targeting someone I wouldn't put any of the focus on myself. I would put it all on him/her/them. So yes, that'll mean honing in on his/her mistakes and gaslighting the hell out of him/her if they try to bring up my own mistakes.