TOMBALL, Texas -- A petty argument that started inside the Silverado 19 movie theater in Tomball ended in tragedy outside in the parking lot.

It happened after midnight early Monday morning. Two brothers and their best friend had just finished watching 300 Rise of an Empire.

The trio began discussing the movie in the bathroom when two other young men chimed in.

'That's how it started. Words were exchanged over the ending of a movie,' said Ryan Hacker.

Ryan Hacker said an argument erupted inside the bathroom and then spilled outside.

According to Hacker, things got especially heated when the men made a comment about his friend 23-year-old Michael Emerson's disfigured arm.

Hacker said things got even more carried away when the two men jumped into a truck and backed right over Emerson.

'They hit him going fast. It wasn't like a nudge, get out of the way. It was fast. It happened in a split second,' explained Hacker. 'I think the emotions and adrenaline were pumping, and they didn't have control of what was going on.'

Hacker recalled doing his best to keep Emerson conscious.

'At one point he let out a groan. At that point I felt fired up that he'd be OK,' said Hacker.

The prognosis quickly changed when paramedics arrived.

'She checked his pulse. She looked at me. She said, 'It's not good.' I looked at her, and I said, 'I know,'' said Hacker. 'At that point I felt his spirit had left. I feel like I witnessed my best friend's final moments.'

Emerson was pronounced dead after being admitted to an area hospital. Hacker believes the accident that took his friend's life was a mistake.

Emerson's older brother, who wasn't there, isn't so sure of that.

'They knew he was right next to the truck. Why would they turn the wheel and gas into him,' said older brother Drew Nagy. 'We'll see them in court, and I'll talk to them there.'

Witnesses reportedly tried to chase the two young men in a white Ford F150 crew cab, but the men allegedly ran several red lights.

Harris County Sherriff's Office released surveillance images of two persons of interest inside the movie theater on Monday night.

Anyone with information about the identity and/or location of the driver and passenger of the white F-150 Ford Truck is urged to call the HCSO's Homicide Division at 713-967-5810 or submit a tip via iWatchHarrisCount.

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