[Repost with more clues] A man comes to respect his stalker, despite the stalker’s role in the death of the man’s partner.

The film came out between 2000 and 2010. It doesn’t take place in the US. It’s not sci-fi or noir. The stalker’s actions are not illegal. In fact, quite the opposite. By the end the stalker has the man seeing red. It’s not: The Town, Seven, The Gift, Strangers on a Train, Throw Momma from the Train, or any of the Predator movies.