What If a Serial Killer Murdered Your Grandma?

Update: June 28, 2022. Billy Chemirmir was indicted today for the murders of four more women — Marilyn Bixler, Diane Delahunty, Helen Lee and Mamie Dell Miya.

“These indictments should serve as a reminder that every victim of a violent crime deserves to have their case investigated and prosecuted, and Collin County law enforcement and prosecutors will…

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Joni E. Johnston, Psy. D.

Joni E. Johnston, Psy. D.

Forensic psychologist/private investigator//author of serial killer book. Passionate about victim’s rights, the psychology of true crime, and criminal justice.