(PORT HURON) -- A man has been convicted of second-degree murder after authorities say he slashed the throat of a 26-year-old man as they gathered around a bonfire in Port Huron. A jury deliberated about 30 minutes on Wednesday before returning the verdict in the case of Michael Poole. During the trial, Poole testified in his own defense. He denied cutting David Long. Other witnesses, however, testified about circumstances of the slaying. Sentencing for the 53-year-old Poole is scheduled for December 20. Police say Poole and Long were part of a small group at the bonfire in June and that the two had been arguing throughout the day.