From the annals of Law Enforcement Social Media

From the Solihull Police in the West Midlands, UK.

The UK legal definition of an offensive weapon is any article made or adapted for use for causing injury to the person...
— Solihull Police (@SolihullPolice) February 28, 2013

.@aeromad No, technically a Justin Bieber CD is not an actual Offensive Weapon.
— Solihull Police (@SolihullPolice) February 28, 2013

And for anyone wanting a dose of police dog cuteness, the West Midlands Police has a Flickr Feed. Awwww.