Poisoning is the preference of most female serial killers and Sioux Falls, South Dakota has a poisoner on their hands.
The rest of the SCTU is worried her brain tumor has returned, because it\'s impossible.
As Aislinn falls further down the rabbit hole, chasing phantoms, t.
Her old foe has returned to torment her.
The use of it is nearly unheard of.
Then a chance encounter; a hand gesture, the laugh, Aislinn Cain knows it\'s him.
The killer\'s choice, belladonna, a rare flower in the United States.
Poisoning is the preference of most female serial killers and Sioux Falls, South Dakota has a poisoner on their hands