Five years ago, Keelyn Blake's armed, mentally ill stepfather took her family hostage in their house in rural Colorado. She and her half-sister Raven made it out alive, but others did not. Authorities blamed the father's frequent hallucinations about a being named Lucent, but in the end, even the best of the FBI's hostage negotiators failed to overcome the man's delusions and end the standoff peacefully. SWAT team member Lee Watson was there that...