The suspect was caught on surveillance video walking up to the FM 1960 Kroger demanding money.
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"I just think it is crazy, we are not safe anywhere in this world anymore," said Georgette Hill, a Kroger shopper.
Surveillance video also shows images of the suspect's red four-door Ford pickup truck.
Customers who spoke with Eyewitness News is hoping someone will recognize the suspect.
"Awful, it is horrible, and I don't think there is no reason or excuse," said Cassandra Johnson
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Crime Stoppers are urging anyone with information to call their hotline at 713-222-TIPS.
There is a $5,000 reward for information leading to the suspect's arrest.
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