$1m reward offered in hunt for fugitive ex-cop
Camping gear was found along with weapons inside the burned-out truck belonging to suspect Christopher Dorner, 33.
The truck found in the ski resort town was so charred that investigators could not be more specific about the nature of its contents, said Los Angeles police Sgt Rudy Lopez.
Police are also investigating a taunting phone call that may have been made by Dorner to the father of the woman they believe he killed last week.
Officers are trying to determine if the call, days after the killing, was made by the fugitive or a man posing as him.
Dorner has vowed revenge against several former Los Angeles Police Department colleagues whom he blames for ending his career.
On Saturday, police chief Charlie Beck said officials would re-examine the allegations by Dorner, a black former officer, that his law enforcement career was undone by racist colleagues. While he promised to hear out Dorner if he surrenders, Mr Beck stressed “I do this not to appease a murderer.