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Since 1992, when the teacher was found murdered at her home in East Lampeter Township, Pennsylvania, Vince Mirack had asked for answers.
He often had trouble advancing the case and defending the public interest. He placed a billboard asking for information that could help solve the case.
But the authorities had no suspects.
Then, thanks to a piece of gum and a bottle of water, the authorities identified the suspect Raymond Rowe, a known disc jockey. locally known as "DJ Freez"
Rowe's lawyer stated that his client had confessed to his client. he murdered Christy Mirack, said the prosecutor.
"The person next to me acknowledged his guilt," said Patricia Spotts.
Rowe's guilty plea includes a life sentence with no possibility of parole and subsequent imprisonment.
In accepting him, Rowe turned Tuesday to Mirack 's relatives, who had been waiting more than 26 years to get answers in the case.
"I can not imagine what you are, by the way," the killer said. "I'm sorry."
Still, the District Attorney reported that Vince Mirack had a burning question when he spoke to Rowe,
"Why?" He asked. "Why are we sitting here today?"
A new DNA technology helps solve the case
Christy Mirack was found on the floor of her living room on December 21, 1992, strangled, beaten with a wooden cutting board and raped.
DNA was collected at the scene, but there was no correspondence – until last year, when the sample was sent to Parabon NanoLabs, a DNA technology company, for genetic testing.
Parabon NanoLabs generated a genotype file from the DNA sample, then a "composite" DNA phenotype of the attributes killer, including hair, eye color and skin tone, said the general counsel.
This helped the experts to get an idea of what the killer looked like when he was getting older. They released composite images in 2017 and submitted them to a public genealogy database, which reported the matches of Rowe's parents.
This database, GEDmatch, shows the amount of DNA shared between two people, Parabon NanoLabs said. President, Steven Armentrout. Members of the public voluntarily send their DNA to the database, making it an important resource for genealogists and investigators.
GEDmatch pointed the finger at Rowe's family. Parabon's genealogical research NanoLabs has named Rowe as "a strong and viable suspect," said the attorney general.
To be certain, the investigators found Rowe in May at a party at the school where he was playing music. Infiltration agents took his DNA from an eraser and a bottle of water that he had used and sent to the organized crime laboratory.
DNA matches the one found at the scene of the murder
Rowe was arrested at his home in June.
Statistics Can not Satisfy a Plea of a Brother
Due to DNA technology, the odds are "astronomical" that whoever committed the crime said Lancaster County Attorney Craig Stedman. Indeed, the probability that the author is no matter who else is 1 in 200 bytes among the white population.
These are figures with 27 and 30 zeros, he said.
"In other words," Stedman said on Tuesday, "it was the accused, there are only 7.6 billion people in the world."
But even these statistics and Rowe's confessions can not answer Vince Mirack's persistent question: "Why?"
Justin Lear and Maya Eliahou of CNN contributed to this report.
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