Mark Dean Schwab was an American murderer and child rapist. He was convicted of the April 18, 1991, rape and murder of 11-year-old Junny Rios-Martinez Jr. and imprisoned at Raiford Prison in Florida. Schwab was convicted of the crime in 1992 and sentenced to death by lethal injection. In addition, he received two life sentences. His execution was the first in Florida after executions were temporarily halted following the botched lethal injection of Ángel Nieves Díaz.