Government investigators -- Fiction. Muder -- Investigation -- Fiction. Brothers and sisters -- Fiction. Suspense fiction. Mystery fiction.

Government investigators -- Fiction. Muder -- Investigation -- Fiction. Brothers and sisters -- Fiction. Suspense fiction. Mystery fiction.

Police -- Massachusetts -- Boston -- Fiction. Missing persons -- Investigation -- Fiction. Women college students -- Fiction. Vigilante -- Fiction. Mystery fiction.

Abduction -- Fiction. Family secrets -- Fiction. Boston (Mass.) -- Fiction. Suspense fiction. Mystery fiction.

Homicide investigation -- Fiction. Police -- Massachusetts -- Boston -- Fiction. Boston (Mass.) -- Fiction. Mystery fiction. Suspense fiction.