Christopher Dorner

A massive manhunt is underway for Christopher Dorner, a fired Los Angeles police officer suspected in the deaths of a former police captain’s daughter and her fiance last weekend, the Atlanta Journal-Constitution reports.

Police say the bodies of Monica Quan and her boyfriend Keith Lawrence were found inside their car in a parking garage Sunday night. Dorner was last seen Thursday when he killed a police officer and wounded two others. He was reportedly driving a pickup at the time of the separate shootings.

TV news helicopters captured live footage of a helicopter dropping a rifle-equipped team onto a mountain near Big Bear Thursday afternoon, the AP reports.

San Bernardino County sheriff’s Deputy Zach Beckum says a pickup truck was spotted near Big Bear. There was no sighting of Dorner, and all local schools are on lockdown.

Police say that before Dorner went on a rampage he wrote his plans in a detailed manifesto posted on his Facebook page. In his writings, Dorner made reference to harming police officers and their families, after he was fired from the LAPD in 2008.

“The Violence of action will be HIGH,” Dorner wrote. “I will bring unconventional and asymmetrical warfare to those in LAPD uniform whether on or off duty … You will now live the life of the prey … I have the strength and benefits of being unpredictable, unconventional, and unforgiving.”

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  • Photos: AP Photo/Kevin Warn, and Getty Images