Detailed text transcripts for TV channel - MSNBC - 20180701:10:35:00
Spellman police found his dna just 30 feet from where the girls were shot. that's when he says spellman's demeanor changed. >> he asked me, you know, "what -- what -- what are the consequences?" and i said, "well, in texas, i said, you know this is a death penalty kind of case." >> reporter: and then dylan spellman asked about a deal. >> normally any person that's innocent isn't gonna ask for a deal. you're gonna profess your innocence. and he wasn't. >> now i'm thinking, "this is my guy." >> reporter: so chavez asked spellman to take a polygraph and spellman agreed. >> and how does he do? >> ...