Dr. Debora Green was a former oncologist living in Prairie Village, Kansas

Prairie Village, Kansas

Prairie Village is a city in Johnson County, Kansas, United States, and is a suburb of Kansas City, Missouri. As of the 2010 census, the city population was 21,447.- History :...

, married to Michael Farrar, a cardiologist. After previously trying to poison Michael using ricin

Ricin

Ricin , from the castor oil plant Ricinus communis, is a highly toxic, naturally occurring protein. A dose as small as a few grains of salt can kill an adult. The LD50 of ricin is around 22 micrograms per kilogram Ricin , from the castor oil plant Ricinus communis, is a highly toxic, naturally...

, on October 24, 1995 she murdered two of her children, Kelly and Tim Farrar, ages 6 and 13, by setting fire to

Arson

Arson is the crime of intentionally or maliciously setting fire to structures or wildland areas. It may be distinguished from other causes such as spontaneous combustion and natural wildfires...

 the family house at 7517 Canterbury Court. The middle child (of the three children) survived.