L.F. Robertson is a practising defense attorney who for the last two decades has handled only death penalty appeals. Linda is the co-author of The Complete Idiots Guide to Unsolved Mysteries, and a contributor to the forensic handbooks How to Try a Murder and Irrefutable Evidence. She has had short stories published in the anthologies My Sherlock Holmes, Sherlock Holmes: the Hidden Years and Sherlock Holmes: The American Years.