The ` ` Grim Sleeper '' killings claimed at least 10 lives from 1985 until 1989 . Lonnie Lee Franklin Jr. was arrested in the 1980s . A grand jury returned an 11-count indictment against him . He was found guilty on two counts of murder and one of attempted murder .
The `` Grim Sleeper '' killings claimed at least 10 lives from 1985 until 2007 . Lonnie Davie Franklin Jr. was arrested in the case . A grand jury returned an 11-count indictment against Franklin . He was arraigned Thursday on 10 counts of murder and one of attempted murder .