Of course, he knows her for the longest time, I mean, He was the one who trained her, so he knows her pretty well, and even he fell for her for her qualities. The guy would be the stupidest shit on earth if he didn't trust her word.
"She's not a random person, she's a member of our team."
Boy, you... you've earned more than my respect. Someone get this logical man a Nobel prize and a goddamn beer o.o