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Deputies Say Loaded-Gun Driver Blew 0.174 After Sam Houston Parkway Fender Bender

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Published on January 23, 2026
Deputies Say Loaded-Gun Driver Blew 0.174 After Sam Houston Parkway Fender BenderSource: Facebook/Mark Herman, Harris County Constable Precinct 4

Harris County Precinct 4 deputies say a minor wreck on the north side of the Sam Houston Parkway on Jan. 15 ended with one driver in cuffs, a loaded handgun in an evidence bag, and a blood-alcohol reading more than twice the legal limit.

Deputies identified the driver as Daniel Reyes and say he was taken into custody at the scene. A later chemical test measured Reyes's blood-alcohol concentration at 0.174, according to the constable's office.

Crash investigation leads deputies to driver

Precinct 4 deputies say they were dispatched to a minor crash in the eastbound lanes in the 700 block of N. Sam Houston Parkway E, where they identified one of the drivers as Reyes. He showed several signs of impairment and refused standardized field sobriety tests, according to Mark Herman, Harris County Constable Precinct 4.

The constable's post states that a search of Reyes's vehicle turned up a loaded handgun with a round chambered. Deputies say he was arrested at the scene and booked into the Harris County Jail.

High BAC can trigger enhanced penalties

In Texas, a blood-alcohol concentration of 0.08% is the per se intoxication limit for drivers. Once a test result hits 0.15% or higher, a DWI can be elevated to a Class A misdemeanor. Deputies say Reyes's test came in at 0.174, a level that meets that higher threshold under state law.

The Texas Department of Public Safety outlines the administrative license consequences and possible criminal enhancements tied to high BAC readings.

Charges, bond and courtroom next steps

According to Mark Herman, Harris County Constable Precinct 4, Reyes was charged with Driving While Intoxicated and unlawful carry of a weapon and taken to the Harris County Jail. The post states that bond was set at $200 out of County Court 5.

The case will move through the county court system next, where prosecutors will decide whether to file formal charges, and judges will set dates for arraignment and any future hearings.

Where this fits locally

The arrest lands in the middle of an intensified impaired-driving push by Precinct 4. During a recent holiday enforcement effort, deputies arrested more than 100 suspected drunk drivers, part of a broader effort officials say is aimed at keeping busy corridors like the Sam Houston Parkway safer. Click2Houston reported those holiday enforcement numbers.

Public record and what comes next

For now, the constable's social media post is the main public record of the arrest. As the case progresses, court filings, prosecutor decisions, and official booking records will provide the formal paper trail. This story will be updated if additional court documents are filed or new records become available.