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A new security robot drives toward Daniel Webb as it patrols the sidewalks and parking garage of the River Oaks District shopping complex Aug. 18 in Houston. (AP/Houston Chronicle/Michael Ciaglo)
A new security robot drives toward Daniel Webb as it patrols the sidewalks and parking garage of the River Oaks District shopping complex Aug. 18 in Houston. (AP/Houston Chronicle/Michael Ciaglo)