Green tablets identical in color to specks found in capsules. Stella fails polygraph and calls in attorneys. Stella's daughter, Cynthia, comes forward with the information that her mother spoke often of killing Bruce Nickell. According to her, Stella had admitted an attempt with foxglove and doing research on cyanide at the library. Local libraries canvassed.
Computer search leads to a number of books.
These books sent to FBI Crime Lab for fingerprinting. The book Deadly Harvest reveals 84 of Stella's prints with the biggest concentration on the pages discussing cyanide. Algae Destroyer found in Stella's home. Stella Nickell charged with causing death by Product Tampering. Stella pleads not guilty in a federal court trial.