Starbucks diner hits robber on head with chair, stops theft

A Starbucks customer stopped an armed robbery, hitting the suspect over the head with a chair and stabbing him with his own knife. The robber stabbed 58-year-old Cregg Jerri before the latter grabbed hold of his knife. Jerri is recovering, while the suspect, who was wearing a Transformers mask while carrying a knife and an imitation gun, has been identified.