Betty Linde

While investigating a 1995 murder, Ali and Tony come upon a new lead on a suspect in the 1968 murder of a sailor in his cheap hotel room.

Dr. Christina Markham's mother is suffering from Alzheimer's disease. When three apparently healthy young women age and die within hours, the Markhams are baffled and frightened. The solution comes after the older patients vanish.

Rachel witnesses a robbery-murder, but “reasonable doubt” releases the suspect she positively IDs.

Residents of a retirement community speak in whispered tones about a shadow man who creeps the halls in the dead of night.