#29 Robotic Warriors - Mechanical Engineer

Charlie is an industrial engineer. He is creative and his enthusiasm for all sorts of machinery is unparalleled. He has a good relationship with Joyce, a medical mechanical engineer and Dicky, a military engineer. However, Dicky has a change of heart. He not only has evil thoughts, but has also joined forces with terrorists to launch an attack on the Ministry of Defence. Why on earth does he do this? What is his purpose of attacking the ministry?