>> doug mulder was a legend at the dallas d.a.'s than any other lawyer in dallas. >> when i met mulder for the first time, i mean, he's cocky. he came across like heas little bulldog that would rip your leg off if you let him. it kind of felt like that's what we needed. >> i didn't accept this until i had actually visited with darlie. when i initially talked to her, i never thought she was guilty and don't to this day. >> in a death penalty case, it's not unusual for an attorney to spend months, even a year preparing for the trial. here the attorney had weeks. >> how are you feeling today? >> what you're strategy mr. mulder? >> we're here to win. >> we knew doug mulder was going to be ready, but we weren't rookies. i'd been prosecuting about 13 years by that time and done a lot of cases. lot of death penalty cases. >> ladies and gentlemen, on june the 6th of 1996, the evidence will show this woman here, darlie lynn routier, and no other person, is the individual who stabbed and murdered her own children as they lay sleeping in thei