The murder weapon allegedly used to kill Ohio dentist Spencer Tepe and his wife, Monique Tepe, has reportedly been identified. According to prosecutors, Michael McKee, 39, allegedly used a gun with a muffler attached to it in the brutal slayings, per a grand jury indictment obtained by People and published on Friday, January 16. Earlier this week, Columbus Police Chief Elaine Bryant additionally claimed "multiple weapons" had been found on McKee's property during a recent search.