daniel lee corwin was execut by lethainjection. he was 40 years old. i didn't want something like daniel corwin to hurt either of my kids or any other kids like tha narrator: investigators are convinced that the sketch created by wendy gauntt and karen taylor, the one that finally alerted detectives to daniel corwin, saved an untold number of lives. ♪ hidalgo: daniel corwin picked the wrong woman to attack that day. he still would have kept killing. there's no doubt in my mind that that would have -- there would've been more people out there dead. taylor: wendy put a face on him. there was a lot of investigative work done on all these cases, but make no mistake, it was wendy who brought down daniel lee corwin. she connected the dots. it was her strength that put it all together. burrough: not a lot of people like that. she actually said to me, "i've had a great life,