James Francis Edwards Jr, now 18, was the last of four suspects to be sentenced in the death of 22-year-old Christopher Lane in Duncan, about 80 miles southwest of Oklahoma City.
Edwards, who was charged as an adult, pleaded guilty in September to being an accessory to murder.
Edwards was sentenced yesterday to 25 years in prison, but 10 years of that was suspended, the Duncan Banner reported. He'll also receive credit for nearly three years of time served.
Edwards admitted in his guilty plea that he made a call from jail in September 2013 asking a friend to hide the .22-caliber revolver used to kill Lane. The friend did not have the gun, which was never recovered.
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In court, Edwards blamed his behavior on being a spoiled young athlete and said he grew up after his time in custody and at the boot camp where he was sent after pleading guilty last fall.
But District Judge Ken Graham questioned Edwards' sincerity.
"I wonder how much of this is truthful or not," said Graham of Edwards' testimony. "Your report back (from boot camp) is exemplary. All things considered, your testimony today seems like you're looking for people to blame for your behavior.