witness. you have a corporating went who has ble plead. >> mercedes colwin thank you for brings a light to something that i used to know, thank you for taking us back to criminal law. and joining us on a sunday nigh night. trey: night. >> my pleasure. trey: up next, the psychology of a killer, criminal profiler john kelly will joi i think i changed my mind about these glasses. yeah, it happens. that's why visionworks gives you 100 days to change your mind. it's simple. anything else i can help you with? like what? visionworks. see the difference. i always wanted to know more about my grandfather.