The Sullivan County mother 42 yealr dol Ashley Brown of a teen who was killed in 2022 was arrested after allegedly trying to pay someone to kill a witness to her son’s murder.A release from the Sullivan County Sheriff’s Office (SCSO) states that investigators met with an informant Wednesday night about the alleged plot. Investigators had also met with the informant two times before trying to hire the person to kill a witness in the Novemebr 2022 murder of her son, Gavin Brown.