Did Monique Tepe Call 911 Before She And Her Husband Were Murdered?

Nine months before dentist Spencer Tepe and his wife Monique were murdered, a woman called 911 from their home, then hung up. The call is raising questions about what might have led to the murders. Spencer and Monique were found shot dead inside their home last week. Columbus police have ruled out murder-suicide. Authorities released a surveillance video of a person of interest. The dentist's brother-in-law tells Inside Edition, "I 100% know that is not Monique's voice.