Precinct 4 deputies arrest 34 suspected drunk drivers over Memorial Day weekend
34 suspected drunk drivers were jailed in Precinct 4 over Memorial Day weekend, and some now face felony counts after traffic stops led to sobriety tests.
Precinct 4 deputies pulled 34 suspected drunk drivers off North Harris County roads over Memorial Day weekend, a sweep that shows where holiday enforcement is intensifying and when the risk is highest: late-night and early-morning weekend hours.
The arrests came during a proactive impaired-driving operation run by the Harris County Precinct 4 Constable’s Office. Deputies said each suspect was first stopped for a traffic violation, then showed multiple signs of intoxication before officers administered Standardized Field Sobriety Tests and booked the drivers into the Harris County Jail.
Most of the cases were standard DWI charges, but several suspects now face enhanced felony counts. Those charges include bribery, child endangerment, assaulting a peace officer, carrying illegal weapons, evading arrest, DWI with a child under 15, felony DWI third offense, DWI second offense, racing on a highway, possession of a controlled substance, manufacture of a criminal instrument, unlawful possession of a prohibited weapon, and failure to stop and give information.
Harris County officials said an arrest warrant has also been filed for Andrea Ollison on a DWI charge.
The Memorial Day roundup fits a pattern in Precinct 4, where holiday DWI enforcement has become routine. The office reported 41 suspected drunk drivers arrested over Memorial Day weekend in 2025, and an earlier Memorial Day operation turned up 35 more. Precinct 4 says it also runs regular DWI and warrant task force operations as part of its proactive policing strategy.
Constable Mark Herman, who has worked with the department since 1986 and was appointed constable in May 2015, has framed impaired driving as a zero-tolerance offense in Precinct 4. The office says it is the largest constable’s office in the nation by personnel and population size, giving its holiday enforcement operations an outsized reach across Harris County.
Texas Department of Transportation data shows why the timing matters. Fatal crashes tied to impaired driving spike sharply in the early-morning hours of Saturday and Sunday, the same window when holiday celebrations often stretch past midnight.
For drivers heading into the next holiday weekend, the message from Precinct 4 is plain: leave the car parked, line up a sober ride, and do not assume a short trip home is safe after drinking.
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