Da Mark News Today

>> everyone in the office was on edge. >> my husband, i mean, he stayed up all night with a gun in his hand. >> i know that i started carrying a gun. sleep with a gun under my pillow. >> even shannon, who wouldnt carry a gun before, now slept with protection nearby. >> we had a big ol shotgun sitting on our dresser ready to go just in case. >> the killers threat to unleash more violence in kaufman county kept the task force working around the clock. a special team scoured the surveillance video ...

Be the magic phone call. >> there was something that might lead them to the killer. the way mark had been murdered. the killer had been lying in wait. mark was shot at point blank range. execution style. all of this lead investigators to think that this could be an organized crime hit. >> rumors are sweeping the town! top of mexican drug cartels, and prison games. >> were open to every avenue. >> nbcs channel five in dallas covered the case from the beginning. and reporter, ken, was there for it...

He would run out in about 12 minutes. >> marks longtime friend, marcus busch, also memorialized him. >> this world is a better place because of mark. and so are we. the world lost a good man. someone who was resolute, always near the difference between right and wrong, and would fight for that. >> now, special prosecutors toby and bill, along with a multi agency task force were fighting for mark. searching for his killer, but not coming up with easy answers. because he was so close to his friend...

>> that woman had seen that shooting from the car, saw them fully, and try to help mark. now fast new is taking over. going on instinct and adrenaline. >> in most cases, when you pull up. its nothing you can prepare for. >> he knew right away that it was that. hell >> you looked at me and then he stopped breathing. and thats when i started doing cpr. >> they go that i keep reading for me. >> i had him take seven breaths, i do remember that. >> as he is camera kept going, his body mike picked up ...

Scary. its not just me anymore, i have no kids! my husband, my family, and, i mean, i cannot keep putting them at risk. mike, cynthia, we were all in danger. >> as deputies began around the rob watch on her house, something kept nagging her about the murders. >> theres no way that she open that door to anyone, its someone we know, or someone like a police officer. its so concerning. even a police officer. >> so that someone can be posing as a police officer? >> right! >> and everyone was wonderi...

Expected to be in danger when she started the career she always wanted, practicing law. why did you want to be a lawyer? >> oh my gosh. in second grade, a judge came to my class and i fell in love with that, and i wanted to be a judge or a lawyer. >> her dream came true. by 2008, shannon had passed the bar exam, and got her first job as a prosecutor with the kaufman county district attorneys office. on the second floor of the courthouse in the center of town. >> i love to the office, the people ...

>> its very weird! >> at the end of march, easter weekend, they were looking forward to a big hammer dinner. cynthia was making it for friends. the perfect time to relax, and not dwell on the tragedy of marks murder. at least for a little while. >> was there any fear that we need to be on high alert? >> at that point i do not think so. >> christina spoke to her mom and stepdad on that friday night. >> mom is making easter baskets, and mark was griping about would she was doing. -- and she was ma...

>> investigators tell us tonight, there is simply no promising leads in this case right now. this murder -- >> any assistance that anyone can give us and finding the people that did this, will be greatly appreciated. >> da had a particularly tough time. he had an office to run while mourning a good friend. >> how hard was it for mark to come back to the office after the shooting? >> with mark store clothes, and his buddy gone, it was very difficult for mike. he talked a lot about the case. >> an...

Scott in the face, would survive. he was quickly changed down by law enforcement. and died in an explosive shoot out in wise county, texas. >> this is cell phone video of the shoot out in wise county. >> the attention of the murders is this. why is county is just 100 miles from kaufman. could evan have killed another public servant in texas? seven weeks earlier? >> the fbi is now as -- investigating this case. they want to see if he is connected to mark hasses murder. >> two officials guntown in...

>> i thought it was the murder cases that we had prosecuted. they were having -- >> someone had discouraged, got out of prison, and just wanted him. it was just a personal vendetta against mark. >> even though investigators were convinced he was murdered because of his job as a prosecutor, they did not stop there. >> you stop to interview friends, families, associates. >> mark was -- a, he was not married, and no children. those extensive checks into his background came up empty. >> theyre just ...