FBI profiler Mark Safarik interviews Alan Jacobson about the Karen Vail novels, where the idea behind the Crush killer came from, the research he did with the “real” Karen Vail, SSA Mary Ellen O’Toole, and more. Watch part two below:

Watch part three of the Mark Safarik-Alan Jacobson interview here, or check out Alan’s other book trailers and author interviews here.
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