A Shadow From The Past

Faith is a crime fiction writer. After years of working on fictional crime stories, she decided to write her first true crime book. After, the release of her book, Faith started to experience weird and ominous events. There is something lurking in the shadows, watching her every move. The past has its own ways to finish the unfinished business. Will Faith survive it?
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This short crime story is part of the "Mastermind in Danger" contest.
Prompt: Crime fiction writers are praised for their genius mastermind. But, what happens when there is someone to get them all? What will they do when the person at stake is not a fictional character but themselves?