Updated

A grand jury decided against indicting a Las Vegas police officer who shot and killed an unarmed, disabled Gulf War veteran a little over a year ago.

Las Vegas Police Protective Association director Chris Collins says the decision in the Stanley Gibson case shows there was no criminal action or intent on the part of Officer Jesus Arevalo.

Gibson was killed after an hour-long standoff. Police had planned to apprehend Gibson, who was in a vehicle that had been pinned between two police cruisers, using a beanbag gun and pepper spray. The plan went awry when Arevalo opened fire with an assault rifle.

Gibson's brother tells the Las Vegas Review-Journal (http://bit.ly/V89JhF ) he believes there's a lack of accountability for police involved in fatal encounters.

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Information from: Las Vegas Review-Journal, http://www.lvrj.com