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Hammerberg's murderer was later identified through forensic genealogy to be Philip Cross, a
Wisconsin man who died in 2012 of a drug overdose. Police built a DNA profile of her alleged killer using blood from underneath her fingernails and semen recovered at the scene. The police had begun searching
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Police
Department if she had been killed on site or her body moved there. Authorities could not identify what had inflicted the head injuries and stated it could have been anything "from a stick to a baseball bat." The object was later identified as metallic. Neighbors in the wooded area north of
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Grafton did not see or hear anything unusual. Two different hunters reported seeing a car speeding away from Maple Road without headlights. The investigation was led by the
Ozaukee County Sheriff's office. They received support from the
53:. According to Ozaukee County Sheriff James Johnson, on the night of the murder, Hammerberg left a house in Saukville where she was babysitting to walk to a grocery store to meet with friends. They drove to Quade's Tavern in
65:. She was raped, strangled, and died of head injuries. Her body was dumped on a snowy driveway on Maple Road in Grafton. Hammerberg's partially clothed body was discovered by Dan Sieracki early on Saturday.
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61:. According to the report, Hammerberg and her friends played a beer drinking game and smoked marijuana at the party. She left to walk home around 12:30 a.m. The walk was 3.7 miles along
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assisted with creating a criminal profile. The
Sheriff's office interviewed hundreds of witnesses. More than 400 men were eliminated as suspects through blood typing and DNA analysis.
27:(March 7, 1966 – December 15, 1984) was an 18-year-old American who was killed on December 15, 1984. Her murderer was identified in 2019 through forensic genealogy.
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A year later, Wendy Smith, a friend and former classmate of
Hammerberg was found dead. Her death was ruled a homicide while her cause of death was investigated.
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genealogy databases in March 2019. They later identified Cross though a second cousin. The police reached out to the Los
Angeles
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152:"After nearly 35 years, police have identified the man they say murdered Traci Hammerberg of Saukville"
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Traci Lynn
Hammerberg was born March 7, 1966, to Judy Klabunde and Harlan Hammerberg in
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218:"35-year-old cold case murder in Wisconsin solved using DNA and genealogy, police say"
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184:"Genetic testing helps crack 35-year-old Wisconsin murder case"
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case for their expertise with forensic genealogy technology.
245:"Slain woman was friend of another murdered last year"
57:. She told the bartender she was going to a party in
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82:and the division of criminal investigation. A
457:Violence against women in the United States
422:December 1984 events in the United States
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273:"Port Washington police eye murder link"
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301:"Search continues for clues in slaying"
417:Deaths by beating in the United States
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326:"Body of Saukville woman found"
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49:where Hammerberg had attended
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432:History of women in Wisconsin
182:Feuerherd, Ben (2019-10-23).
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389:– via Newspapers.com.
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216:Madani, Doha (2019-10-22).
150:Rumage, Jeff (2019-10-22).
97:(FBI) team that solved the
51:Port Washington High School
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452:Rapes in the United States
156:Milwaukee Journal Sentinel
442:Ozaukee County, Wisconsin
128:– via Find A Grave.
382:. 1985-07-22. p. 11
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351:"Murder probe continues"
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251:. 1985-07-22. p. 39
84:Behavioral Analysis Unit
332:. 1984-12-17. p. 2
330:Wisconsin State Journal
307:. 1984-12-17. p. 3
277:Wisconsin State Journal
39:. The family moved to
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427:Female murder victims
355:The Winona Daily News
25:Traci Lynn Hammerberg
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63:Wisconsin Highway 33
41:Saukville, Wisconsin
99:Golden State Killer
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305:The Journal Times
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401:Categories
386:2019-10-24
361:2019-10-24
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255:2019-10-24
227:2019-10-24
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125:2019-10-24
119:"Obituary"
105:References
31:Background
37:Milwaukee
222:NBC News
59:Grafton
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