Administrated "t" to 4 leeches. Their will to survive leads them first to parasitism and predation. Then they breed and multiply. Such a single-minded biology makes them attractive candidates for bio—weapons research. Afterwards, no major changes observed.
7 days since administration of "t". Rapid growth to double former size. signs of transformation emerging. Spawning successful. They double their numbers in one hour, but their ravenous appetites lead them to cannibalism. Hastened to increase food supply, but lost 2 .
Provided them with live feed, but lost half when the live food fought back. However, the leeches are learning from experiences, and are beginning to exhibit group attack behavior. They are also ceasing cannibalism. Their evolution is exceeding expectations.