It looks like one of his current attempts at misdirection is demanding that Kim prove that she is a retired lawyer. Which would change... what, exactly?
He does seem to be obsessing about Kim Silvio's legal credentials. IMO this is for three reasons.
1. It's an attempt to imply that she doesn't have them or they are false. Just asking "but has any seen them" suggests they don't exist. But the reality is that no one needs to see them. AFAIK she is retired and even then, the only people that need to see them would be a law-firm choosing to hire her, or whatever oversight body exists if she was setup as a private practice.
Tl;DR; it's an attempt to discredit Kim because he can't simply dismiss her commentary on him as uninformed - it's damning and it sticks. This is the main reason IMO.
2. It's a convenient distraction, like his focus on the "green screen". He's like a magician, pointing somewhere with one hand while the other hand is in his pocket (actually, usually reaching into someone else's pocket, LOL). But it's to make people focus on something that is completely irrelevant and spend time addressing that instead of whatever the latest thing is that he's hiding.
3. His MO is always to try to gather information about people that he can use maliciously. He's done this in the past, he'll do it again. No one should give him ANYTHING. He should be viewed as a dangerous psycho stalker, because that's how he often behaves.
So two things:
I don't care about Kim's credentials. I have no reason to doubt her, but I don't think she should be explaining herself to him or us.
Don't focus on whatever it is that he wants people to focus on. Always focus on the things he's ignoring and glossing over.