KLTV-Tyler is reporting that the State Fire Marshal and multiple other agencies have released the report into the October explosion in Red River County that killed three people in an underground bunker near Talco. Investigators were unable to determine a cause or origin of the blast. The victims, Michael Bower, Perry Fetterolf, and Misty Marple died of multiple injuries caused by the explosion. Bower’s wife said the bunker was prepared for doomsday.