Closing In
- Episode aired Dec 8, 2018
- TV-14
- 42m
![Killer Unknown (2018)](https://m.media-amazon.com/images/M/MV5BZDdlNmU4OWMtNjJiZi00YjA3LTgwMTktODRkZWQ2NjgzM2E2XkEyXkFqcGdeQXVyMTA5MzgyNTI1._V1_QL75_UY281_CR20,0,190,281_.jpg)
Mike Huff narrows his focus to a young man who was Dena Dean's boyfriend in 1998, and the last people she had contact with the day of her disappearance.Mike Huff narrows his focus to a young man who was Dena Dean's boyfriend in 1998, and the last people she had contact with the day of her disappearance.Mike Huff narrows his focus to a young man who was Dena Dean's boyfriend in 1998, and the last people she had contact with the day of her disappearance.