Gina's son, Steven, caught only a fleeting glimpse of the killer as he fled. If only, he wonders again and again.

As Lily Chin prepares for her upcoming wedding, a mysterious woman appears to inform her of her fiance's secret life--which may have included Gina Engel.

Louise Carpanetti received a phone call from the dying Gina. Now, more than a decade later, she is forced to finally acknowledge a shocking possibility: the killer might be her emotionally disturbed son. . . .

Told through three distinct yet interconnected narratives, Karen Shepard's Don't I...