Murder trial begins for man who shot Good Samaritan in Arlington



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Posted on April 29, 2014 at 6:24 PM

Updated Tuesday, Apr 29 at 8:23 PM

FORT WORTH — The date was December 14, 2011. Our cameras caught Thomas Harper — restrained by handcuffs and surrounded by police officers — shouting and skipping his way to a squad car.

Minutes earlier, police say Harper was high on drugs when he caused the deaths of two people and put the lives of his toddler twins in serious jeopardy when he caused a violent chain-reaction crash at an Arlington intersection.

Now, more than two years later, Harper is in Tarrant County court on trial for murder. The prosecution started with 911 calls from the scene.

Then, Kaylynn Head — the first witness — took the stand. She said Harper hit her car with his SUV before speeding off that December afternoon.

Arlington police said Harper’s two children were in the back seat as he drove away and caused a second chain reaction crash, killing the driver of a gray pickup truck.

The second witness, Zachary Treible, said he and another man, 18-year-old Clarence "CJ" Robinson, stopped to help. They started trying to get Harper’s twins out of the back of his crunched SUV.

"During that, the driver pulled out a handgun, pointed it at myself, then pointed it at the other gentleman, and then said something: 'This is your bad day,'" said Treible testified.

Investigators said Harper shot Robinson in the head from just feet away, killing him. His defense attorneys argued that the defendant was protecting his children.

The trial continues Tuesday morning.