Most of the available officers in the City of Sacramento that night had been diverted to the minority neighborhood of Del Morro Heights to contain an escalating battle sparked by a broad crackdown on gang-related activities. When the call came in to investigate the discovery of a possible hit-and-run several blocks away, the two officers who responded anticipated more of the same, an offshoot of the hostilities.

But they were wrong.

Officer Larry Sanford slammed his car door and ran over to the woman, who was lying face up in the street; the other victim was obviously deceased. Both were black. Sanford pulled a hand out of his leather glove and felt her neck for a pulse. “Shit,” he said, the vapor that emanated from his mouth tailing off into the cold night air. He looked up and down the street, but saw no one. He glanced over to his partner and shook his head.

“Dispatch, this is Unit Nine,” the other officer said.

“We’ve got a Code Twenty on San Domingo Street. Notify homicide. Securing crime scene.”

“Roger, Unit Nine.”

“She’s still warm,” Sanford said. “Let’s get this area roped off.” Using a roll of yellow tape, he established the boundaries of the crime scene while his partner blocked off the street and its adjoining arteries with traffic cones. Although out of the academy only six months, they both knew the routine: quick response, safeguard and preserve. That is, secure the crime scene to protect all materials in the vicinity because everything was considered evidence until proven otherwise. No one-not even another police officer-was to enter the area until the detectives arrived. One of the most significant threats to a homicide investigation was the disruption of physical evidence: nothing was to be disturbed, moved, stepped on, or contaminated in any manner.