Phillip Parker Detective (Retired) of “The Thin Blue Line Podcast”, continues his investigative assessment of Detective Harry Bosch The Black Ice chapters 17 - 20. Starting with the intro reading ( :23), then the introduction into The Black Ice (01:16), continuing with opening of the murder book’ chronological record reviewing the investigation thus far (04:03), continuing with the chapters big idea (07:12:), followed by hitting the streets and giving a detailed analyze of these chapters, (07:35), then the question of the day (25:51), resuming hitting the streets (29:16) proceeding with with everyone counts or no one counts (50:41) and ending with outro (53:59).