The Evil I Have Seen: Memoirs from the Case Files of Retired Det. Lt. Robert (Robbo) DavidsonAudiobookThe Evil I Have Seen: Memoirs from the Case Files of Retired Det. Lt. Robert (Robbo) DavidsonbyRobert DavidsonRating: 3 out of 5 stars3/5Save The Evil I Have Seen: Memoirs from the Case Files of Retired Det. Lt. Robert (Robbo) Davidson for later