Who can you trust?

[cityship]

Those of you who have been on the ship for a long time may remember the trials and tribulations over the fate of the captive Yeerk named Schmuz. In the end, Schmuz was spared and locked in confinement, where he could never break free.

Only it seems that somehow, the Yeerk has gone missing from its prison. There are no records on the security cameras other than traces that they have been tampered with - but not by brute force.

This, clearly, has been an inside job...