Movie about child killers

Solved184 views#1 Moviescrime thriller
0

So this movie is at least 10 years old. I remember it to be about a normal couple but we later discover they kill children and bury them under the floor. The protagonist discovers this because they have no family pictures with “their kid”

Thanks in advance!

Question is closed for new answers.
Edivad141 Selected answer as best Mar 6, 2022
0

Maybe “Running Scared” (2006)?:
https://www.imdb.com/title/tt0404390/

Edivad141 Selected answer as best Mar 6, 2022