SIOUX CITY, Iowa (AP) — A judge has found a 19-year-old man guilty of the stabbing deaths of two friends in Sioux City. The Sioux City Journal reports District Judge Tod Deck on Thursday found Tran Walker guilty of first-degree murder in the Jan. 28, 2018, deaths of his former girlfriend Paiten Sullivan and his friend Felipe Negron Jr.

Evidence introduced during the trial showed Walker stabbed Sullivan 43 times and Negron 17 times. Sullivan was 17 and Negron was 18. Walker faces a mandatory sentence of life in prison without parole.