WATCH: No charges for police officer who fatally shot armed homeowner

WATCH: No charges for police officer who fatally shot armed homeowner

Transcript for No charges for police officer who fatally shot armed homeowner

family’s growing outrage tonight. New video coming in now after a Colorado family, the grandfather called police for help. There was an intruder, and police mistakenly shot the grandfather. The D.A. Now saying no charges will be filed against the officers. Here’s Clayton Sandell. He’s in the bathroom, drowning my grandson. Reporter: The scene, chaos and confusion. Aurora, Colorado, police responding to an unknown trouble call hear gunshots. Then see 73-year-old Gary black in his bathrobe. Drop the gun! Hey! Get your hands in the air! Guy in the robe’s got the gun. Reporter: Police find out too late, this is black’s house. The decorated Vietnam veteran had just killed an intruder. His last words, concern for his family. My son and grandson are in the bathroom with the perpetrator. Reporter: The video shows black, who was hard of hearing, never aiming at police. The D.A. Announcing the officer who killed black, drew Limbaugh, will not face charges. The July incident was Limbaugh’s second fatal shooting in just a month. Should that officer have been on the street? No. They never told Mr. Black that they were police. Police officers are to protect and serve, not to act as snipers. Reporter: Officer Limbaugh told investigators he felt like he had to shoot at the man, because it was not an option to wait and see what happens. David, the attorney for the black family says they are considering a civil lawsuit. David? Clayton, thank you.

This transcript has been automatically generated and may not be 100% accurate.

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