And now for the rest of the story. Police also determined Zimmerman had 2 opportunities to defuse the situation but didn't. Additionally, his actions were inconsistent with his being "in fear for his life" nor are his injuries consistent with his initial story. Of course we all know about his attempts to hide assets and his lies to the court. Such an upstanding citizen. And no, it's not admissible because it's not fool proof. It is used solely as an investigative tool.