In some markets, series 1 is titled "Darkness: Those Who Kill"', with series 2 being titled "Blinded: Those Who Kill".This is how it is listed on Amazon Prime and Acorn Channel on Amazon.
Those Who Kill (Danish: Den Som Dræber), distributed as Darkness: Those Who Kill (2019) (Danish: Den som dræber - Fanget af mørket) in some regions, is a Danish crime thriller TV series produced by Miso Film and Viaplay/Nordic Entertainment Group and created by Ina Bruhn. The series is about criminal profiler Louise Bergstein's (Natalie Madueño) attempts to link unsolved murders. The series is a reboot of the crime thriller of the same name that was created by Elsebeth Egholm and aired on TV 2 in 2011. The second season has been sub-titled Blinded: Those Who Kill in some regions, and the third series has been sub-titled Lost: Those Who Kill.