this man, sy ray of zetx corporation, a former police officer who mapped their cell phone movements.e been, unless one looks at the homicide, and then it becomes all clear. >> reporter: most telling, a pair of phone calls made on the day kelley was killed. the first from a used car lot. >> there was an incoming call to michael beard from m&m auto. m&m auto has never called michael beard before. >> reporter: it isn't the dealership calling. it's actually clayton. >> we can actually put his device in the parking lot of m&m auto when this call was made. >> reporter: and then, hours later, clayton makes a second call to beard from someone else's phone. yup, lucky miller's, at that poker game. >> that was the go call. and that immediately sets things into motion. >> beard shortly after that phone call drove out to clayton's home and committed the murder. >> we were able to use the records and show the two parties coming together, separating, conversations between the two of them, and lay out the conspiracy to commit the murder, leading up to it. >> there was no evidence into the content o