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Douglas County Sheriff's Det. Pat Pollock, right, is questioned by prosecutor Tom Bath during the murder trial of Thomas E. Murray. Pollock, who testified Thursday, was one of the detectives who interviewed Murray the day Murray's ex-wife, Carmin D. Ross, was found slain.

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Douglas County Sheriff's Det. Pat Pollock, bottom right, describes a printout of the results of an internet search made by Thomas E. Murray before his ex-wife was killed. Murray used the internet to search for "highway 40" and "Topeka." Pollock, who testified Thursday, was one of the detectives who interviewed Murray the day Murray's ex-wife, Carmin D. Ross, was found slain.

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Douglas County Sheriff's detective Pat Pollock, center, visits with Assistant Dist. Atty. Amy McGowan during a break in the first-degree murder trial of Thomas E. Murray. Pollock was one of the detectives who interviewed Murray the day after his ex-wife was found slain at her home northwest of Lawrence.