Cindy pointed this story out to me.

http://www.nbc15.com/home/headlines/Madison-officer-discovers–215928741.html

Classic. I would be putting up posters:

Missing, briefcase full of tapes. Jane’s Addiction included. Please help!

Addendum: Owner found. Check out the video at the link above.

Happy ending!

The nerve! A thief with no taste. Hmphhh…