Man shot to death after approaching group with gun in Greenspoint

Authorities are piecing together what led up to a deadly shooting in north Houston after a man reportedly walked up to a group of men and was killed. 

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It happened a little after midnight when police said a group of men were standing around at a Shell gas station on Greens Rd in Greenspoint

That's when an unidentified man wearing a ski mask walked up to the group with a gun. Police said the gunman was trying to rob the men, but officials said one of them pulled out his own gun and shot the would-be robber. 

He was taken to the hospital in a private car, where investigators said he died from his injuries. 

The shooter, meanwhile, reportedly hid until police arrived and turned himself in. 

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At last check, officials said the case would be presented before a Harris County Grand Jury for further review.