PHOENIX (AZFamily) — The suspect in a Labor Day murder in Scottsdale made his first court appearance Sunday evening.

“I believe that you are being given wrong information about me entirely, and my name. And that these proceedings are illegal and there’s no truth to what that woman or that system are giving you,” Matthew Dieringer told the judge.

He had maintained a calm demeanor as a state prosecutor told the judge why they’re pursuing a premeditated first-degree murder charge against him.

“The subject allegedly beat the victim to death. This was a very violent and horrific murder,” said the prosecutor. “There was a strong weight of evidence against Mr. Dieringer, including presumptive DNA match to blood that was found at the scene.”

Dieringer, a convicted dog killer, is now accused

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