The sisters have the same last name as the decedent from the hit-and-run article, implying that they are his daughters. Further, Avery Stone spoke of driving a fancy new sports car, similar to the one described in the hit-and-run article. 

Therefore, Krista Swanson poisoned Avery Stone with the help of her sister, TSA Agent Kelsey Swanson. Avery Stone was the driver who killed their father in a hit-and-run.

©2019 by HOMEscapes. Proudly created with Wix.com