This happened on October 6th at the Mr. Cigarette store located in the 400 block of West Cheltenham Avenue.
Authorities say 19-year-old Avery Armknecht entered the store, pulled out a black-handled pocket knife and told the employee to open the register.
An exclusive video obtained by Action News captured the violent incident.
“He put the knife to his throat and a fight ensued. Armknecht then stabbed the victim several times in the chest and fled the store,” police said in a statement.
SEE ALSO: Surveillance video captures robbery in Cheltenham Township, stabbing; the search for the suspect continues
The 62-year-old victim was stabbed twice during the flight and was taken by EMS to a local trauma center where she underwent emergency surgery. Police say she should survive.
The victim is the store owner’s mother, police said. The stabbing took place in front of the clerk’s 3-year-old granddaughter.
Armknecht fled the store after the stabbing but surrendered to Cheltenham Police on Monday.
He faces charges of attempted criminal homicide, robbery, aggravated assault and other related offenses.
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