What key details about edward m. davis can be extracted from the following bio? Bio: edward michael davis -lrb- november 15 , 1916 -- april 22 , 2006 -rrb- was the chief of the los angeles police department from 1969 -- 1978 , and later a california state senator from 1980 -- 1992 and an unsuccessful republican candidate for the united states senate in 1986 . davis ' name was familiar to a generation of americans since it appeared on its own card for '' technical advice '' in the closing credits of the popular television programs '' dragnet '' -lrb- 1967 -- 70 -rrb- and '' adam-12 '' -lrb- 1968 -- 75 -rrb- . born in los angeles , california to james leonard davis and lillian fox davis , davis graduated from john c. fremont high school in los angeles . he joined the lapd and married virginia osborne in 1940 . during world war ii he took a leave of absence from the police department in order to serve in the united states navy . when he became chief of police , davis inherited a police department that was essentially the creation of chief william h. parker and which held strong institutional values and views within its ranks . the result was a department that saw itself as a bastion for peace and the traditional american values of old los angeles . he instantly became well-known internationally in 1969 when he held a press conference announcing the arrests of charles manson and his followers for what are known as the tate and labianca murders . his role is well-documented in the book '' helter skelter '' , written by vincent bugliosi , the prosecutor in the case . as the power and numbers of street gangs increased , the community of los angeles became the victim of increasing escalations of violence , intimidation , and other felonies . in response , davis escalated police responses , authorizing the use of terry stops , large raids on gang strongholds , created the infamous anti-gang unit c.r.a.s.h , and increasingly forceful and violent means of securing suspects such as chokeholds during arrests . although the chokeholds were less violent than older methods of beating recalcitrant suspects ,...
- death place is san luis obispo , california- service is united states- caption is edward m. davis- department is los angeles police department- death date is 22 april 2006- nickname is '' ed ''- birth date is 15 november 1916- serviceyears is 1948 -- 1978- name is edward m. davis- laterwork is california state senator- image is davis e.jpg- birth place is los angeles , california- rank is left