MSNBC Dateline October 7, 2019 06:13:00
Victim's sister the day prior. the way he ran out of the place, all those things were, you know, matched what he was telling us. and we were able to corroborate. >> reporter: with all that information, lopez decided to take a chance. arrest derek, apply some pressure, and see if he would crack. so nine years and ten months after crystal taylor's murder, derek smyer once again sat in a police interview room. >> he felt like he had to control everything that happened in the interview. he would answer a question, but before he answered it he would -- he would give a preamble as to why his answer ...