Demetrio Cepeda, 44, was arrested by the Pleasanton Police Department after fleeing a traffic stop on Wednesday, Oct. 22, 2025. During the chase, Cepeda allegedly dumped a backpack containing a "large quantity" of marijuana and methamphetamines, police said. (Pleasanton Police Department)
ATASCOSA COUNTY, Texas – A Pleasanton man was arrested after he sped away from a traffic stop at speeds greater than 100 mph, prompting a standoff, according to the Pleasanton Police Department.
Demetrio Cepeda, 44, is charged with evading arrest with a motor vehicle, tampering with evidence, possession of marijuana and two counts of manufacturing and delivery of a controlled substance, Pleasanton police said in a news release.
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After fleeing from the traffic stop Wednesday afternoon, police said Cepeda discarded a backpack containing a “large quantity” of methamphetamines and marijuana. Officers also located heroin inside his vehicle, according to the release.
An Atascosa County deputy later located Cepeda’s vehicle, the department said. Officers received a tip that Cepeda was hiding in a nearby shed.
Following a brief standoff, police said Cepeda surrendered and was taken into custody without incident.
Christian Riley joined KSAT 12 in June 2025. He returned to the Lone Star State after serving as the senior digital producer at the NBC affiliate in mid-Missouri and earned two Missouri Broadcasters Association awards.
Before starting at KSAT in August 2011, Ken was a news photographer at KENS. Before that he was a news photographer at KVDA TV in San Antonio. Ken graduated from San Antonio College with an associate's degree in Radio, TV and Film. Ken has won a Sun Coast Emmy and four Lone Star Emmys. Ken has been in the TV industry since 1994.