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(Linn County, IA) -- A Linn County jury saw surveillance video showing Luke Truesdell and his father following two of four murder victims into a pole barn where their bodies were found last year.
The video and DNA evidence were discussed Monday during Iowa's first quadruple murder trial.
A Linn County Sheriff's deputy reviewed video from the home of Lon Brown, where Truesdell is accused of killing four people with a metal pipe.
Two criminologists from the Iowa Department of Criminal Investigation also testified about DNA testing of blood and hair samples collected from the pipe and Truesdell's clothing.
The trial continues today.
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