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					1 / 12Tricia Pacaccio, dressed as a bridesmaid for an aunt’s wedding 
 Photograph: Courtesy of the Pacaccio family
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					2 / 12Michael Gargiulo, in a photo taken by California police in 2008. A neighbor of the Pacaccios, Gargiulo was a longtime suspect in Tricia’s killing. 
 Photograph: Courtesy of the Santa Monica Police Department
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					3 / 12Rick and Diane Pacaccio, Tricia’s grieving parents, stand outside their Glenview home, the scene of the murder 18 years ago. “We just want justice for our daughter,” says Diane. 
 Photograph: Katrina Wittkamp
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					4 / 12Tricia Pacaccio, in her 1993 senior photo from Glenbrook South High School 
 Photograph: Courtesy of the Pacaccio family
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					5 / 12Ashley Ellerin, who was slain in California 
 Photograph: Courtesy of Los Angeles Police Department Hollywood Homicide Unit
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					6 / 12Maria Bruno, who was slain in California 
 Photograph: Courtesy of Los Angeles County Sheriff’s Department Homicide Bureau
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					7 / 12Gargiulo with an unidentified woman. Los Angeles police fear she may be another victim. 
 Photograph: Courtesy of Los Angeles County Sheriff’s Department Homicide Bureau
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					8 / 12Tricia with her brothers, Thomas (center) and Doug. A friend of Doug, Gargiulo spent time inside the Pacaccio home, though he was never at ease, instead “pacing back and forth like a caged animal,” recalls Tricia’s mother. 
 Photograph: Courtesy of the Pacaccio family
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					9 / 12A newcomer to Hollywood, Ashley Ellerin had enrolled in the Fashion Institute of Design and Merchandising and dated Ashton Kutcher, then a rising TV star. 
 Photograph: Courtesy of Los Angeles Police Department Hollywood Homicide Unit
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					10 / 12Ashley Ellerin 
 Photograph: Courtesy of Los Angeles Police Department Hollywood Homicide Unit
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					11 / 12Gargiulo after his arrest in June 2008 for the attempted murder of a petite 28-year-old California woman named Michelle Murphy 
 Photograph: Courtesy of Los Angeles County Sheriff’s Department
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					12 / 12Before her December 2005 murder, Maria Bruno (shown here with her children) told friends that a “weird guy” had been watching her. 
 Photograph: Courtesy of Los Angeles County Sheriff’s Department Homicide Bureau
 
                
