CSI: Fatal Conspiracy is a video game based on the CSI: Crime Scene Investigation television series. It is the ninth CSI game released. Case 1: Flash BakedEditA burned out building turns into another crime scene when the player locates a dead body in it belonging to a woman named Portia Weismann who was the spa's manager. Sara Sidle is the player's partner in this case. The suspects are Brian Reed, victim's ex-boyfriend and Pedro Baxa, the spa owner.Case 2: Planting EvidenceEditA construction worker named Mark Ensign is found dead in the center of a construction site. Greg Sanders is the player's partner in this case. During the case, the victim is found to be depressed and suicidal. The suspects are Zachary Lynch, the construction supervisor, Marcus Kunchai, a plumber who is the victim's friend and Todd Stuart, a gardener and a supposed eco-terrorist.Case 3: Tapped OutEditA burn victim named Mary Marst becomes the victim of a homicide when her medical equipment is found to have been sabotaged. Nick Stokes gets paired with the player. The suspects are John Barrett, victim's step-brother, Jayne Barrett, victim's step-sister and Pauline Liu, victim's hospice nurse.Case 4: All Washed UpEditA temp secretary named Jessica Marnier was found dead in her car at a car wash. The suspects are Veronica Carver, victim's best friend and housemate, Will Rice, victim's wealthy boyfriend and Manuel Molinez, a man who is the boyfriend's best friend and on parole. The player works with Catherine Willows on this case.Case 5: Boss FightEditThe cases worked on lead up to the climax of the game's main storyline. Dr. Raymond Langston is the player's partner on this case. This case has two parts as there are two murders with one belonging to Manuel Molinez (suspect from the previous case) and the other belonging to Agent Gene Huntby. The main focus of the case is directed towards Beatriz Salazar and a sergeant named Timothy Lipp.