— Sunday, Feb. 3: Monica Quan, 28, and Keith Lawrence, 27, are found shot to death in their car at an Irvine, Calif., parking structure. Quan, an assistant women's basketball coach at California State University, Fullerton, was the daughter of a former Los Angeles police captain who represented Dorner in disciplinary hearings that resulted in his dismissal.
— Monday, Feb. 4, about 9:30 a.m. PST: Some of Dorner's belongings, including police equipment, are found in a trash bin in the San Diego-area community of National City.
— Monday, Feb. 4 through Wednesday, Feb. 6: Police find a scrap of paper that mentions names associated with the LAPD. LAPD is contacted, and when they see a connection to Randal Quan, who lost his daughter the day prior, Irvine Police Department is called. Authorities find Dorner's manifesto online.
— Wednesday, Feb. 6: Irvine police say they are looking for Dorner as a suspect in the killings of Quan and Lawrence, and that he implicated himself in the killings in the manifesto posted on Facebook. U.S. marshals and other law enforcement officials, acting on a credible lead, search Wednesday night for Dorner in San Diego's Point Loma area.
— Wednesday, Feb. 6, 10:30 p.m.: A man matching Dorner's description tries to steal a 47-foot boat from a San Diego marina, but the engine won't start. An 81-year-old man on the boat is tied up but unhurt.
— Thursday, Feb. 7, 1:30 a.m.: In the Riverside County community of Corona, Calif., two LAPD officers assigned to protect a person named in the manifesto chase a vehicle they believe is Dorner's. One officer is grazed in the forehead during a shootout, and the gunman flees. A short time later, a gunman believed to be Dorner ambushes two Riverside police officers who had stopped at a red light during a routine patrol. One officer is killed, and the other critically injured.
— Thursday, Feb. 7, 2:18 a.m.: A shuttle bus driver turns in a wallet with an LAPD badge and a picture ID of Dorner to San Diego police. The wallet is found less than five miles from the boat, near San Diego International Airport.
— Thursday, Feb. 7, 5:15 a.m.: LAPD officers guarding a manifesto target in the Los Angeles suburb of Torrance open fire on a truck they mistakenly believe to be Dorner's. A mother and daughter delivering the newspaper are injured. A short time later, Torrance police are involved in a second shooting involving a different truck they also mistake for Dorner's. Nobody is hurt.
— Thursday, Feb. 7, 8:30 a.m.: A burned-out pickup truck is found near the Big Bear ski area in the San Bernardino Mountains. A San Bernardino County sheriff's deputy says there have been no sightings of Dorner, but local school officials decide to put campuses in lockdown.
— Thursday, Feb. 7, 9:30 a.m.: Authorities in central and northern Arizona are alerted about the manhunt for Dorner along with a description of a vehicle he may be driving.
— Thursday, Feb. 7, 9:40 a.m.: Naval Base Point Loma in San Diego is locked down after a Navy worker reports seeing someone who resembles Dorner. Two hours later, Navy officials say they don't believe Dorner was on base.
— Thursday, Feb. 7, 2:30 p.m.: Authorities confirm the pickup truck found near Bear Mountain ski area at Big Bear Lake belongs to Dorner.
— Thursday, Feb. 7, 3:30 p.m.: San Bernardino County Sheriff John McMahon announces a door-to-door search for Dorner is under way.
— Thursday, Feb. 7, 4 p.m.: FBI SWAT teams and local police serve a search warrant at a Las Vegas-area home belonging to Dorner. Authorities leave with boxes of items from the two-story house. They say no weapons were found but decline to disclose what was discovered.
— Friday, Feb. 8: Dozens of searchers hunt for Dorner in the freezing, snowy San Bernardino Mountains after losing his footprints near the site where the truck was found. Sheriff McMahon says abandoned cabins above the Big Bear resort town must be checked. A warrant is served at a La Palma house belonging to Dorner's mother; Officers collected 10 bags of evidence, including five electronic items. Police also search a storage locker in Buena Park.
— Saturday, Feb. 9: The search for Dorner resumes in the mountains with the use of helicopters equipped with heat-seeking technology. Los Angeles police announce they'll reopen the investigation into the firing of Dorner. A law enforcement officer reveals that weapons were found in Dorner's burned truck.