Louisville Metro Police say a Kroger security guard stabbed a man in the back on Tuesday.According to an arrest slip, the victim entered Kroger in the 4100 block of Dixie Highway to use a Coinstar machine.Police said the man was stopped by the store's security guard, John Griggs, 62, because the store was closing.Police said the victim became upset because he said it would only take a minute to use the machine and customers were still in the store.The arrest slip said it can then be seen on video that Griggs and the victim had a heated verbal exchange. The video shows the victim begin to turn to leave when Griggs continued to argue with the man.Officials said the video also shows that Griggs initiated a physical altercation by grabbing the victim by the neck.A fight ensued and that's when police said Griggs took out a pocket knife and stabbed the victim in the back. The victim also suffered a cut to his ear when his earring was dislodged during the fight, the arrest slip said.Griggs was charged with assault.

Louisville Metro Police say a Kroger security guard stabbed a man in the back on Tuesday.

According to an arrest slip, the victim entered Kroger in the 4100 block of Dixie Highway to use a Coinstar machine.

Police said the man was stopped by the store's security guard, John Griggs, 62, because the store was closing.

Police said the victim became upset because he said it would only take a minute to use the machine and customers were still in the store.

The arrest slip said it can then be seen on video that Griggs and the victim had a heated verbal exchange. The video shows the victim begin to turn to leave when Griggs continued to argue with the man.

Officials said the video also shows that Griggs initiated a physical altercation by grabbing the victim by the neck.

A fight ensued and that's when police said Griggs took out a pocket knife and stabbed the victim in the back. The victim also suffered a cut to his ear when his earring was dislodged during the fight, the arrest slip said.

Griggs was charged with assault.