Which well-known homicide detective worked to solve many of Los Angeles's highest-profile cases, including the "Black Dahlia" murder?

John P. St. John, best known as "Jigsaw John", served with the Los Angeles Police Department as a homicide detective for 43 years. One of his first assignments turned out to be among the most famous cases in history, the notorious Black Dahlia murder.

Asked by Rachel Bortles · Last updated 5 years ago · 4.8K views · SOURCE