Why doesn't God save victims, of serial killers, who get murdered right after leaving church?

I read true crimes cases sometimes, and I can name a few cases where an unfortunate person is abducted by a psychopathic serial killer right after they're leaving church. Usually,, it's a serial killer preying on innocent young girls. When these presumably devout Christians needed God the most, He wasn't there to save them. Could it be that, oh I don't know, that God doesn't exist in the first place?
Why doesn't God save victims, of serial killers, who get murdered right after leaving church?
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