Dorner started his killing with a plan. First he had a package with some complaints, and sent it to Anderson Cooper, who is a television personality, and arrive at CNN on February 1, 2013. Then Dorner tailed after a couple and killed them into their car on February 3, 2013. In this murder case, the dead include the daughter for the LAPD (Los Angeles Police Department) captain who became his defence lawyer in the LAPD review board hearings of his allegations against his training officer. In the end, he posted many statements which had next target's name and threaten them lives. It cause the police to mount a widespread manhunt for Dorner, the area was from California to include Nevada and Mexico. The police said the need protected more than 40 potential targets of Dorner's. Thousands of police were patrol in Southern California's highways.