Crime Classification Manual Part II Chapter 6 D 30
Crime Classification Manual Part II Chapter 6 D 30
A
STANDARD SYSTEM FOR INVESTIGATING AND CLASSIFYING VIOLENT CRIMES
SECOND
EDITION
Investigation
Over six months,
750 yellow or orange Ford Pintos, including the killer’s, were checked by police,
but no evidence was found associated with Costa’s murder. More than one thousand
leads were investigated, and over three hundred people were interviewed, including
one hundred girls from Costa’s high school. A list of suspects was narrowed
down to several dozen people. The investigators then submitted the victimology,
crime scene information, pictures, and autopsy records to the FBI Investigative
Support Unit in Quantico, Virginia, for a criminal personality profile.
The FBI analysts
came up with a profile and sent it back to the sheriff’s department in late
October. With this profile, the investigators were able to narrow the list to one
suspect:
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