How did Lori Vallow Kill Tylee and JJ: During Lori Vallow’s murder trial on Wednesday, an Idaho forensic pathologist revealed how her two children were killed in 2019. Dr. Garth Warren, who works for the Ada County Coroner’s Office, testified that he conducted autopsies on Joshua “JJ” Vallow, 7, and 16-year-old Tylee Ryan a few days after they were found buried in Chad Daybell’s home backyard in June 2020. JJ was allegedly strangled to death by a plastic bag over his head and duct tape over his mouth. However, Tylee’s cause of death was unspecified but confirmed as a homicide.

According to Warren, JJ was discovered with a tight plastic bag over his head and signs of a struggle.
He was discovered wrapped in a waste bag with duct tape around his torso. It included his forearms, hands, and ankles, still wearing his red pajama set. JJ had low quantities of booze, the date-rape drug GHB, and caffeine in his system in addition to bruising on his arms and a scratch on his neck. However, Warren could not confirm whether JJ was given GHB or if it was a naturally occurring product in the body.

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Tylee’s autopsy was different from JJ’s as her remains were found in multiple bags. Toxicology reports indicated positive results for ibuprofen, iron, and carboxyhemoglobin. Tylee’s carboxyhemoglobin levels were incredibly low, which Warren stated suggested she wasn’t alive when she was burned.

Prosecutors allege that Vallow and Daybell conspired to kill his first wife, Tammy, in October 2019 before fleeing to Hawaii. The bombshell testimony is the first time prosecutors have revealed how Vallow’s missing children were killed before being buried. Vallow has entered a not-guilty plea on a number of counts and could get a life sentence if found guilty. However, her defense attorneys insist that she could never kill her children.

Warren offered graphic details of JJ’s fast-decomposing body, including an abrasion on the left side of his neck and a hemorrhage on his right fingernail. There were also bruises on the ankles that could have been caused by the duct tape. Warren noted that Tylee’s organs had “severe decomposition” due to the fire, and several bones were blackened and charred.