Their international make-up, education levels, and age demographics are quite varied. They don't seem bent on mass suicide at the instruction of their leader. This doesn't appear to be like Jim Jones and his addicted followers. Second, the federal agents shot heat sensitive video from an overhead airplane. This FLIR imagery is familiar to many Americans, who saw such footage in reports released by the military during the Gulf War.
Heat seen from such objects as fires or gunshots is seen as white.
Cooler objects appear in darker shades of gray to black. This vivid footage is shown, then repeated in slow motion, and in closer perspectives with circled effects, while being analyzed by an expert in infrared imagery and night vision technology. The credibility of the FBI is clearly questioned. The question of whether the Davidians are religious fanatics is given perspective during the early part of the film. We learn here how David Koresh becomes its leader, his emphasis on the literal readings of the Bible, and his focus on the seven seals and eventual Armageddon.