Sengchan Houl was convicted of first-degree murder and other counts in the death of Jonah Hwang.
He faces a sentence up to life in prison without possibility of parole with a sentencing hearing set for Jan. 29.
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Jonah was killed while eating dinner with his family and their friends at a home in the 1100 block of 11th Street on Feb. 20, 2017.
Prosecutors say Houl opened fire at the house on several different occasions - once before the murder and twice afterward.