052119 432 A Sioux City man has been sentenced to 30 years in prison for the fire-related death of a woman last year. The Sioux City Journal reports that 52-year-old Robert Mahoney was sentenced Tuesday to 25 years for first-degree arson and five years for involuntary manslaughter, with the sentences to be served one after the other. A jury convicted Mahoney in March for the death of 51-year-old Wanda Blake. Blake died three weeks after Mahoney torched his Sioux City apartment on Feb. 4, 2018.