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On New Year's Eve in 1980

Karen Potak a student at the University of Wisconsin

Celebrated with her sister in Minnesota's Twin Cities

The girls were both celebrating on University Avenue, which runs the stretch between St. Paul and Minneapolis

They'd gotten separated a little earlier on the night, but they didn't let that stop them from enjoying the evening

When the clock struck midnight, the festivities slowed down and Karen decided to call it a night

At around 3am, the St. Paul police received this call

From A&E, this is Cold Case Files

Officers responded to the call and found Karen in a snowbank near some railroad tracks

She was naked, badly beaten, and her skull had been cracked

Karen survived, but was cognitively impaired, and she had no memory of who had tried to kill her

In June of 1981, the same weepy voice was on the other end of a 911 call

We have f***ing you find me, I just got somebody with a name, did I get stuck myself or you can't come in somebody who knows

Hello, are you there?

Another victim was found shortly after the call

The young woman's body was found face down near a section of unfinished freeway

Dr. Michael McGee was the medical examiner who investigated her cause of death

She had been stabbed multiple times, a lot of puncture wounds on the front of her chest

In total, it was determined she was stabbed 61 times

And like the voice on the phone had stated, the weapon appeared to be an ice pick

Here's Dr. McGee again

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