NORTH TEXAS (CBSDFW.COM) – The Texas Rangers are looking for help solving cold homicide cases across the state. Today there’s a new section on the Texas Department of Public Safety (DPS) website that features cold case murder investigations.

One of the cases still being investigated is the Tarrant County murder of Marianne Wilkinson. On the evening of December 9, 2007, someone knocked on Wilkinson’s door in North Richland Hills — when she answered, she was shot several times. Wilkinson, who was a wife, mother and grandmother, died at the scene.

Police have never said if they believe Wilkinson was the intended target of the murderer, but they don’t believe it was a random shooting.

The Texas Rangers are hoping the webpage will spark new interest in the cases. “Our goal… is to shine a new light on these crimes, so they are not forgotten,” DPS Director Steven McCraw said in a press release statement. “We are committed to bringing these ruthless criminals to justice and to bringing some amount of closure to the families involved.”

Another North Texas case being featured online is the 2006 murder of Patricia Oferosky. The 47-year-old woman and her co-worker Stephen Dale Mitchelltree were both found dead at a Pizza Hut restaurant in Terrell. The pair died from gunshot wounds.

Police arrested four people shortly after the murders, but they were later released and all charges were dropped.

The public can submit tip information online or by calling (800) 346-3243. Rewards are being offered for some cases featured on the website.  Everyone providing information may remain anonymous.

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