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Grand jury indicts "Grim Sleeper" suspect Lonnie David Franklin Jr.

Lonnie David Franklin Jr.
KCBS
KCBS

(CBS/AP) LOS ANGELES - Lonnie David Franklin Jr, the man police believe is responsible for the "Grim Sleeper" serial killings  of numerous girls and women over a 22-year span in the Los Angeles area, has been indicted by a grand jury on murder charges. 

PICTURES: "Grim Sleeper" Serial Killer Suspect's Private Photos

Prosecutors charged Franklin with 10 counts of murder last July, but his case has not reached the preliminary hearing stage.

Los Angeles County District Attorney Steve Cooley said Thursday he approached a grand jury because families of the victims deserve to have the case resolved as quickly as possible.

He says the jury's indictment, unsealed Thursday, will expedite the criminal proceedings against Franklin.

Prosecutors believe Franklin, 58, shot or strangled 10 women and girls between 1985 and 2007, dumping their bodies in alleys. Victims ranged in age from 14 to 36.

Complete coverage of the "Grim Sleeper" on Crimesider