A Michigan woman who pleaded guilty to setting her ex-boyfriend on fire has been sentenced to 40 years in prison.

Dorothy Hamilton, 38, of Galesburg, Mich., pleaded guilty last month to one count of arson. A St. Joseph County judge cited Hamilton's criminal history in sentencing her Wednesday to the maximum term stipulated under her plea agreement.

Hamilton admitted pouring gas on her ex-boyfriend and throwing a lighter on him in 2006 after an argument at a St. Joseph County residence. He suffered permanent scarring on his buttocks.

Hamilton evaded authorities for 10 months before her August 2007 arrest in Texas.

Court documents state that Hamilton attacked her ex-boyfriend because he had not intervened when "another individual" looked at her in a sexual way.

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