Authorities say 45-year-old Samuel Davidson-Rollin faces charges of attempted murder and assault on a peace officer with a deadly weapon and pepper spray.
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The initial attack happened on October 5 at the AM/PM convenience store at the Arco gas station on Figarden and Bullard.
Police say Davidson-Rollin entered the store and attacked the clerk with a knife.
Officers later found him armed with a knife and pepper spray near the NorthPointe Church Bullard Campus.
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They tried to get him to drop the weapons, but he did not comply and was shot several times.
Davidson-Rollin remains hospitalized in critical condition.
Police say the store clerk who was stabbed underwent surgery and is expected to survive his injuries.