Tiny Casey: Super Sleuth - Part I

In my quest to solve the mystery of the Great American Trash Cans, I enlisted the help of a great, though small, detective. Tiny Agent Casey and his protege, Tinier Dunnson, are on the case. The two are very thorough. To begin the investigation they researched the different kinds of recepticles they might be looking for.

First up, the small, beige-ish white kind of can:

Then the medium, blue can:

And finally the large, green can(s):

I'm not exactly sure how examining the trash cans around my house will help them, but they're the detectives. Tune in next time for the continuation of this mystery.