Hm. Guess it depends on what you consider small. Honestly, with this place? I think even a basic "lost Pokemon" case could turn into something stupidly huge.

[He smirks, just running off of experience.]

For one, could be a ghost type that decided to mess with its trainer by turning invisible. Maybe the case ties into another about mysterious hauntings, and the runaway ghost went rogue in the radio tower when its trainer didn't get the memo.

[...Yeah. That's a bit of a stretch, but you never know.]