EDWARDSVILLE, Ill. (AP) — A man serving 20 years in prison for his role in a man's 2007 southwestern Illinois kidnapping and beating death has lost his bid to have his sentence reduced.

The (Alton) Telegraph (http://bit.ly/1myK43J ) reports a Madison County judge on Tuesday rejected 27-year-old Terry Ballinger's request to lower the prison sentence he received in 2009.

Ballinger insisted he was a "young, immature child" when he participated in the death of 41-year-old Ernest Walker, and that he has tried to reform himself in prison.

Ballinger was among four men charged in the beating and slashing death of 41-year-old Ernest Walker of Alton. Walker's body was found in Wellston, Missouri.

Authorities said Walker's throat had been slit and he had been so badly beaten he had to be identified through fingerprints.

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Information from: The Telegraph, http://www.thetelegraph.com