A jury will now decide between life in prison or the death penalty
                                
                                
                                    (Newser) -
                                    With a guilty verdict Thursday, the  Grim Sleeper  officially became one of the "most prolific and enduring serial killers" in California history, the  Los Angeles Times  reports. Lonnie Franklin Jr., 63, was convicted of murdering 10 women, one only 15 years old, between 1985 and 2007 in South Los...