Mitochondria are organelles within living cells which generate chemical energy. In the year 2377, Doctor Jennifer Almieri was murdered by use of a poison which targeted the mitochondria of her cells. The destruction of mitochondria resulted in the rapid death of her cells, as well as faster than normal decomposition, which initially led investigators to believe upon discovery of her body that she had been dead for at least ten days, rather than four. (CoE eBook: Ghost)