BOULDER, Colo. - Detectives probing the JonBenet Ramsey murder case have turned their attention to her half-sister, who died in a 1992 car crash near Chicago.
Police have obtained Elizabeth Pasch Ramsey's autopsy report, and are interviewing her sorority sisters.
She was the oldest of three children from John Ramsey's first marriage to Lucinda Lou Pasch.
It is unclear whether the detectives' probe is simply a routine check into all family members or whether Elizabeth Ramsey's past may hold a clue into the death of her half-sister, JonBenet, who was murdered Dec. 26.
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Elizabeth Ramsey was a member of Kappa Alpha Theta sorority at Miami University in Oxford, Ohio.
Detectives have talked to at least two sorority members and are trying to talk to others. What the detectives asked wasn't disclosed.
But in interviews with other Ramsey acquaintances, police have asked a range of questions, including whether the friend or neighbor knew of child abuse allegations within the Ramsey family.
John Ramsey discovered JonBenet's body in the basement of his home several hours after his wife, Patsy Ramsey, found a ransom note demanding $118,000 for their daughter's return.
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The 6-year-old beauty princess had been strangled and sexually assaulted, and her skull fractured.
Court records released this week reveal that Ramsey family members have not been eliminated as suspects.
Wednesday, prosecutors filed a motion asking that search warrants on the Ramsey's home remain sealed. The prosecutors want the warrants sealed because they said the Ramseys have not been eliminated as suspects in their daughter's murder. It was the first public document in which an official connected with the case has included the Ramseys among the suspects.
"The owners of the property subject to these searches have not been eliminated from suspicion," reads the motion signed by William Nagel, chief appellate deputy district attorney for Boulder.<