The police did not indicate that anyone in the car was a suspect, but said that the driver and any possible passengers might have “critical information” about what happened. They said they did not have a license plate number.
“Your information, whether you believe it is significant or not, might be the piece of the puzzle that helps investigators solve these murders,” the police said in a statement.
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Investigators have said that the four victims were killed early on Sunday, Nov. 13, but they have not specified a time.
A man who was studying for a Ph.D. at a nearby university is charged in the stabbing deaths of four University of Idaho undergraduates. Many questions remain.
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