Kari is either wearing the recording device or it's nearer to her at the very least and DeWit is farther away, thus the reverb. You can also hear the level of reverb vary slightly as if he's moving or occasionally leaning in towards Kari when he speaks.
Assuming they were talking in person, and possibly with other people around, such as a party ...
Then, either (a) Kari was wearing a recording device, or (b) a recording device was somewhere physically near her, that she might or might not have known about.
Here's another possibility:
Kari is either wearing the recording device or it's nearer to her at the very least and DeWit is farther away, thus the reverb. You can also hear the level of reverb vary slightly as if he's moving or occasionally leaning in towards Kari when he speaks.
Assuming they were talking in person, and possibly with other people around, such as a party ...
Then, either (a) Kari was wearing a recording device, or (b) a recording device was somewhere physically near her, that she might or might not have known about.
Either way ... interdasting!