'A raging, murdering sex addict'

Kimberly Overstreet, Amber Costello's sister, called Heuermann "a raging, murdering sex addict."

"If it were not for my sister's street smarts" the task force would still be searching for Heuermann, who "could not handle being outwitted" by Amber Costello. Overstreet had referred was referring to the time in 2010 when Costello schemed to steal money from Heuermann he would have used to pay for sex with her.

Overstreet said her sister was now with Jesus Christ. "My sister was a sinner," Overstreet said. "She was forgiven."