Robbery reveals sinister plot to kill a man with a root beer float

When Harold Allen died suddenly in his home in Freetown, Indiana, no one suspected anything out of the ordinary. Nine months later, a burglary at his home would lead to a murder investigation and an unusual weapon.

source https://www.cbsnews.com/news/harold-allen-marsha-buxton-ashley-jones-indiana-man-poisoned-root-beer-float-48-hours/