Mwanza Atiba Kamau (April 5, 1962 – June 21, 1995), better known as Darnell Collins, was an American recidivist and spree killer who shot and killed seven people and wounded three others in New Jersey and New York in June 1995. The spree came to an end when Collins was surrounded by law enforcement in Nutley, New Jersey, resulting in him being shot and killed.