Missouri house fire that killed mom and four children was murder-suicide, police say

A massive house fire in Missouri that killed a woman and her four children is believed to have been a murder-suicide, police said. 

The fire at the home in Ferguson, Missouri, killed Bernadine Pruessner, 39, and her children Ivy Pruessner, 9; Ellie Pruessner, 9; Jackson Spader, 6; and Millie Spader, 2, according to the St. Louis County Police Department.