Investigators stated that the deputies were initially unaware of the victim's presence inside the vehicle prior to the confrontation.
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"The driver failed to yield and a short pursuit began," said Orejel.
The passenger in the car complied with orders from law enforcement before the driver initiated the shooting.
"The passenger did comply," said Orejel.
"However, the driver exited the vehicle, approached the trunk of the suspect vehicle and fired a shot into a victim that was inside the trunk."
Authorities are working to establish the connection and potential motive between the suspects and the victim.
"The motive for this incident is still under investigation," said Orejel.
"I don't know what the relation is between the suspects and the victim, if any but again that will be provided a little bit later."
Nearby residents expressed shock over the violence occurring in their neighborhood.
"I was shocked, to be honest," said Gregory Uthus, a local resident. "This doesn't happen in Chino Hills."
Neighbors also speculated about the familiarity between the involved individuals.
"It seems to me these people knew each other," said Uthus.
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The San Bernardino County Sheriff's Department Homicide Detail is actively requesting anyone with additional information to contact their department as the investigation remains ongoing.
