How to Use Nonverbal Behaviors to Establish Trust

What's often useful is words that have different weights? I'll give you an example from the book of what everybody is saying Where a man was stabbed to death, but nobody except myself and the suspect knew what kind of weapon was used for the stabbing. When I said the word Ice pick then I saw the displays of discomfort because obviously The ice pick which was actually used has a different weight than the other items. That confirmed for me that oh yeah I'm dealing with the right person here now. It's just a matter of getting them to tell me what happened and eventually he did he confessed But so there are ways to do it, but you know obviously this isn't a show on Detect