Who is the killer in the story based on a true event?

Hard to determine. It might be a person with a hidden agenda or a past connection to the events. Without further context, we can only guess.

It's hard to say for sure. Maybe it was someone who had a motive and opportunity that wasn't obvious at first glance.

No, it's not based on a true story. It's a fictional creation.

It seems to be. Some elements and characters might have roots in actual events, but there could also be fictional additions for dramatic effect.

Yes, it is. The story is based on real events that occurred in 2012.

It's hard to say exactly who the killer is without more context. But if it's based on a true story, that might make it even more intriguing.

Sure, it's a true story. But the identity of the person who killed the girl isn't straightforward. It involves a web of circumstances and characters that you need to explore within the story to understand fully.

Well, that's a mystery. It could be any of the characters who had motives and opportunities. Maybe it's someone who seemed innocent at first but had a hidden agenda.

It varies. Maybe it's someone you least expect, or perhaps it's a character that has been lurking in the background all along. The truth often comes as a surprise in these kinds of stories.

I'm not sure. You might need to watch or read the whole story to find out.