Was there really a Baseline Killer? A new appeal claims Phoenix police framed Mark Goudeau

By: Michael Kiefer

Outlets: Arizona Mirror

Published: April 21, 2026

Words: 2,990

Last Updated: 2 months, 2 weeks ago

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Twenty years after he was arrested and identified as the Baseline Killer, Mark Goudeau still maintains that he is innocent.

Goudeau, now 61, alleges that Phoenix Police detectives planted incriminating evidence in his house and tampered with DNA findings, according to an appeal filed in Maricopa County Superior Court in February. He further alleges that prosecutors committed misconduct; that the judge violated his right to due process; and that his defense attorneys were woefully ineffective. …

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