TV How It Really Happened - Season 4 Episode 1 : The Mystery of the Gainesville Murders (Part 1) How It Really Happened - Season 4 Episode 1 : The Mystery of the Gainesville Murders (Part 1) 7.2/10 by 6 users Over three days, five college students are brutally murdered in Gainesville, Florida. As investigators search for the serial killer, panic fills the usually sunny city. Details Casts Posters Images Title How It Really Happened - Season 4 Episode 1 : The Mystery of the Gainesville Murders (Part 1) Alternative Titles How It Really Happened with Hill Harper, How It Really Happened with Jesse L. Martin First Air Date 2017-01-27 Last Air Date 2024-11-24 Number of Episodes 85 Number of Seasons 8 Genres Crime, Mystery, Documentary, Networks CNN, HLN, Casts Plot Keywords , Episodes List How It Really Happened Season 4 :Episode 1 The Mystery of the Gainesville Murders (Part 1) The Mystery of the Gainesville Murders (Part 1) 2019-08-11 Jesse L. Martin takes an in-depth look at some of the most notorious crimes, mysteries, trials and celebrity tragedies of our time. How It Really Happened Season 4 :Episode 2 The Mystery of the Gainesville Murders (Part 2) The Mystery of the Gainesville Murders (Part 2) 2019-08-11 Jesse L. Martin takes an in-depth look at some of the most notorious crimes, mysteries, trials and celebrity tragedies of our time. How It Really Happened Season 4 :Episode 3 The Kidnapping of Elizabeth Smart (Part 1) The Kidnapping of Elizabeth Smart (Part 1) 2019-08-18 Jesse L. Martin takes an in-depth look at some of the most notorious crimes, mysteries, trials and celebrity tragedies of our time. How It Really Happened Season 4 :Episode 4 The Kidnapping of Elizabeth Smart: Hiding in Plain Sight (Part 2) The Kidnapping of Elizabeth Smart: Hiding in Plain Sight (Part 2) 2019-08-18 Jesse L. Martin takes an in-depth look at some of the most notorious crimes, mysteries, trials and celebrity tragedies of our time. How It Really Happened Season 4 :Episode 5 Susan Smith: Someone Stole My Babies (Part 1) Susan Smith: Someone Stole My Babies (Part 1) 2019-08-25 Jesse L. Martin takes an in-depth look at some of the most notorious crimes, mysteries, trials and celebrity tragedies of our time. How It Really Happened Season 4 :Episode 6 Susan Smith: The Shocking Truth (Part 2) Susan Smith: The Shocking Truth (Part 2) 2019-08-25 Jesse L. Martin takes an in-depth look at some of the most notorious crimes, mysteries, trials and celebrity tragedies of our time. How It Really Happened Season 4 :Episode 7 Drew Peterson: Killer Charm Drew Peterson: Killer Charm 2019-09-01 Jesse L. Martin takes an in-depth look at some of the most notorious crimes, mysteries, trials and celebrity tragedies of our time. How It Really Happened Season 4 :Episode 8 David Cassidy: Fatal Secret David Cassidy: Fatal Secret 2019-09-08 Jesse L. Martin takes an in-depth look at some of the most notorious crimes, mysteries, trials and celebrity tragedies of our time. How It Really Happened Season 4 :Episode 9 The Bombing of Oklahoma City: The Explosion (Part 1) The Bombing of Oklahoma City: The Explosion (Part 1) 2019-09-15 Jesse L. Martin takes an in-depth look at some of the most notorious crimes, mysteries, trials and celebrity tragedies of our time. How It Really Happened Season 4 :Episode 10 The Bombing of Oklahoma City: McVeigh's Shocking Confession (Part 2) The Bombing of Oklahoma City: McVeigh's Shocking Confession (Part 2) 2019-09-15 Jesse L. Martin takes an in-depth look at some of the most notorious crimes, mysteries, trials and celebrity tragedies of our time.