Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
At some point, he was taken over by a Threckon, which used Leech's position to incite the prisoners to riot so that the Threckon could feed off their anger. When the Threckon confronted the Seventh Doctor, Leech was killed. (PROSE: Inmate 280)