FERGUSON, Mo.—A fire that killed five members of a Missouri family was intentionally set by the mother, police said.
St. Louis County police announced late Wednesday that a preliminary investigation ruled that the deaths of Bernadine Pruessner, her twin 9-year-old daughters Ivy and Lillie Pruessner, and her children 5-year-old Jackson Spader and 2-year-old Millie Spader was a murder-suicide.
