Uncle’s Fingerprint Discovered on Plastic Bag Containing Decomposed Body of J.J. Vallow in 'Doomsday Mom' Lori Vallow Trial

doomsday mom lori vallow trial detectives finding bodies
Source: Rexburg Police Department

Apr. 28 2023, Published 4:29 p.m. ET

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A forensic scientist testified at Doomsday mom Lori Vallow’s trial stating fingerprints found on a bag containing her son’s body are his adoptive uncle’s prints, according to authorities.

On April 27, Idaho State Police employee Tara Martinez said Alex Cox’s palm print and a right fingerprint were found on the plastic bag containing J.J. Vallow’s body, the East Idaho News reported.

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Martinez added that the prints were latent, meaning they are invisible to the human eye because the impression is created from sweat or oil, according to East Idaho News.

Cox died months after the boy’s disappearance, but Arizona police provided Cox’s fingerprints to Idaho authorities, officials said. In July 2019 – months before J.J. and Tylee Ryan’s disappearances – Cox fatally shot Charles Vallow in Arizona.

Charles was married to Lori, who is Cox’s sister and the mother of J.J. and Tylee. Lori is charged in Arizona in connection with Charles’ death, officials said.

During her testimony, Martinez said she also obtained fingerprints from Lori and Chad Daybell, as well as hair samples and footprints. Chad is Lori’s fifth husband and they have been charged with killing Lori’s two children, as well as Tammy Daybell, who was Chad’s wife. Tammy was killed in Idaho in October 2019.

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Martinez said she also processed the duct tape that was found over J.J.’s mouth, ankles and hands. However, there were no usable prints found on the duct tape, East Idaho News reported.

Lori is accused of murdering her two children and conspiring to kill her fifth husband’s first wife. Vallow has pleaded not guilty to the charges against her. If convicted, she faces life in prison.

The trial against Lori Vallow is ongoing.


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