Evidence! is a cassette tape in Wasteland 3.
This cassette has multiple courier labels on it, as if sent back and forth numerous times.
All right, Marshals, listen up! If you won't take my noise complaints seriously and do your damn job, then I guess I'll just have to do it for you!
There's been strange noises coming out of Apartment 3 all week! People yelling and stomping around at all hours, and strange, mechanical sounds. He could be making bombs for all I know!
You say you need evidence? Well, Irv just left, so I'm going inside and documenting everything I find!\" ::keys rattle::",
Let's see what Mr. Mysterious is hiding...
::muffled:: Ah! Who's there...!?
Oh! Uh... It's, uh, it's Rosie Wong, the landlady! I was just checking to make sure you were okay.
::muffled:: Why wouldn't I be okay?
Oh. Well. You know, the noise-
::muffled:: I'm fine.
Well. Uh...do you mind if I come in?
I don't understand...I watched him leave five minutes ago! It doesn't make any sense...
- Sans Luxe Apartments: In Wong's container, in the room just by the entrance.