Dateline: Secrets Uncovered

Season 14 Episode 18: Horror at the Lake

After Florida teacher Denise Hallowell is found murdered in her home, investigators examine her family's tumultuous past in their desperate search for a killer.

Genre:

Crime, Documentary

Seasons:

17

Episodes:

386

Cast:

Quality:

HD

Duration:

84 min

First Air:

2017

Rating:

8.1