Key Highlights
- Spencer Tepe, 37, and Monique Tepe, 39, were found dead in their home on December 30.
- Michael David McKee, 39, was arrested on January 10 in Rockford, Illinois.
- McKee has been charged with two counts of murder.
- The Tepe couple's two young children were found unharmed at the crime scene.
- Police identified McKee using neighborhood video surveillance.


