IMDb
4.8 /10
272 votes


Thriller · Mystery · TV Movie · 2020 · 1h 30min
DNA Killer
On Sarah’s birthday, her best friend Victoria gives her a genetic testing kit as a gift, so she can learn more about her family’s lineage. But that night, Victoria is tragically killed. Weeks later, Sarah gets on knock on her door, and it’s the police. As their homicide case ran cold, they decided to run the killer’s DNA through the genetic testing site’s database and there was a match: Sarah. It turns out that someone related to Sarah killed her best friend… but who's?
Sign in and build your archive. The best notes get written right after the credits roll.
Sign in → top right
The CartelBeta Film
LifetimeHer Secret Killer - Trailer
Available in United States (data from JustWatch via TMDB · click → opens in provider)
















IMDb
4.8 /10
272 votes
Rotten Tomatoes
The tomato isn't ripe
Metacritic took the day off
TMDB
5.1 /10
5 votes
Letterboxd
Letterboxd didn't respond
Weighted average
4.9/10