CHATTANOOGA (WRCB) -- A Hamilton County man is going to prison for killing his wife.

John Wiser pleaded guilty to several charges including murder, domestic assault and simple assault.

Authorities say he beat, kick, threw and choked Shae Wiser in front of her two sons.

She was found barely alive at their home on Sleepy Hollow Road, in September 2010.

She later died.

Judge Rebecca Stern sentenced wiser to 20 years in prison, without parole.

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