Grave Endings

Tuesday, February 17. 11:40 a.m., Corner of Vermont Avenue and Sunset Boulevard. A robber approached the victim from behind and put a knife to her stomach. . . .

Stabbings, even fatal ones, are not uncommon in Los Angeles. But the stabbing death of Aggie Lasher–a vibrant young woman dedicated to helping others and, it seemed, deeply loved by everyone who knew her–was especially tragic. For almost six years she has been obsessed by the mystery of her best friend's murder: If she …