Sister Suspect: A Sidney Stone FBI Thriller

Six months after apprehending methodical killer Sage Wellington, FBI Agent Sidney Stone receives mysterious DNA test results revealing a half-sister she never knew existed – just as a series of deaths bearing Wellington's distinctive signature begin to surface, forcing Sidney to confront the possibility that her newfound family connection may be hiding deadly secrets.

When a package containing DNA test results arrives unexpectedly at Sidney Stone's desk, the discovery of a half-sister should...