DES MOINES, Iowa — Des Moines police have arrested a man for the early-morning stabbing death of his brother.

Police say 49-year-old Shawn Eugene Davis faces a first-degree murder charge for the death of his brother, 35-year-old Preston Lee Davis. Preston Lee Davis was fatally stabbed early Saturday morning on Des Moines’ northwest side.

Police say the younger Davis was stabbed during a dispute at a family gathering.

Shawn Eugene Davis has a criminal history that includes a second-degree murder conviction for the October 1986 shooting death of 27-year-old Thomas Law. His sentence was reduced after the Iowa Court of Appeals ordered a new trial in 1989, and he later received a 12-year-sentence for voluntary manslaughter.

Online court records did not list an attorney for the elder Davis.

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