Alexander Kinyua, 22, a former student at Morgan State University and the son of the academic institution’s physics professor, has pleaded guilty but not criminally responsible for killing his roommate at his home in Joppatowne, a Baltimore, Md., suburb. Kinyua admitting to dismembering his roommate, Kujoe Bonsafo Agyei-Kodie, 37, with an ax while he slept. Agyei-Kodie moved to the States from Ghana six weeks prior to his death.