He was also known as the Weepy-Voiced Killer due to a series of telephone calls he made to police, anonymously reporting his crimes in a remorseful and high-pitched voice.
[3] On December 31, 1980, Stephani beat Karen Potack in Saint Paul, Minnesota, inflicting severe wounds and brain injury.
There were no calls after Greening's death, but the "Weepy-Voiced Killer" contacted police after the murder of Simons: "Please don't talk, just listen...
"[5] Stephani picked up a 19-year-old sex worker named Denise Williams on August 21, 1982, in Minneapolis.
Williams sensed something was wrong when Stephani began driving through a dark, suburban area rather than returning her back to the city where he originally picked her up.
However, when Stephani returned home to his apartment, he noticed he was bleeding badly and sought medical help.
These observations alone were not enough to identify Stephani as the Weepy-Voiced Killer since the hysterical crying distorted the voice.
[8] The case was covered by Casefile True Crime Podcast on April 16, 2016, and in an episode ("Seeing Red") of Murder Calls on January 15, 2017.
Stephani's crimes were then reported during episode 102 (titled "Quantum Madness and an Abundance of Icicles") of the podcast And That's Why We Drink on January 13, 2019.
This case was also covered in an episode ("Rough Winds & High Waters") on the podcast My Favorite Murder on May 23, 2019.