Now she's after the last significant share holder other than her. To kill her in a way that won't be traceable to culprit. Telzey Amberdon, with help & a lot of telepathic handwave, will help foil the plan.
Fact sheet.First published: Analog, May/June 1964 (as a 2-part serial).
Download full text from Baen Books.
Among the stories from Astounding/Analog issues edited by John Campebell.
Related: Stories of James H Schmitz.