Throughout the chapters, the situation between Wren and Lincoln is kind of uncomfortable because last time they argued about Wren’s job being a “babysitter”.
After all, both brothers have to accept that the only thing Wren wants is being able to work at Moorehead, it’s not that she wants to being behind the brothers backs.
I handled him. I have authorization to restrain or subdue him if the situation calls for it
This quote actually explains the “power” Wren has over the brothers.
I wrote the word power in quotations marks, because Lincoln and Armstrong have power over Wren, but she is actually the one that is telling them in what ways should they handle things.