Updated

A 21-year-old Detroit man has been sentenced to life in prison with no possibility of parole for killing his brother and two other people and wounding a fourth during a 2012 house party in Flint.

The Flint Journal (http://bit.ly/1du28mS ) reports that a jury found James P. Simpkins guilty of three first-degree murder counts on Jan. 15, and Genesee County Circuit Judge Geoffrey Neithercut issued the mandatory life sentence Thursday.

Prosecutors say Simpkins went inside a bedroom and shot all four victims, killing his 21-year-old brother Anthony Simpkins and the brother's 21-year-old girlfriend Erica Billingsly immediately. They say a second man who was shot — 36-year-old Bobby Jackson — initially survived but that Simpkins stomped on his head until he died.

A second woman shot in the room survived.

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Information from: The Flint Journal, http://www.mlive.com/flint