" Enduring their mother was what bound them together. And while they might have had three different dads, they were always 100 percent sisters. Never half sisters. Their sisterhood was the one thing the Knotek girls could depend upon, and really, the only thing their mother couldn’t take away. It was what propelled them to survive. "

― Gregg Olsen , If You Tell: A True Story of Murder, Family Secrets, and the Unbreakable Bond of Sisterhood