

Homicide: Hours to Kill
Season 4
TV-14
The key to solving the toughest homicides lies somewhere within the final 24 hours of the victim's life. This true-crime documentary series follows investigators as they piece together events.
Where to Watch Season 4
26 Episodes
- Slaying in St. PetersburgE5
Slaying in St. PetersburgWith two mortal gunshot wounds and tape residue on his wrists and ankles, it's clear 21-year-old Landy Martinez suffered torture before his death. Detectives hope the victim's own cell phone may provide the evidence they need to close in on his killer. - Devil At The DepotE14
Devil At The DepotA gunman kills a 37-year-old volunteer police officer and mother of three, Laura Grillo, in the kitchen of her suburban Dallas home. At first, detectives suspect a burglar fleeing the scene. But in a high-profile case that involves multiple agencies and crossing state lines, investigators must link a bombshell accusation to a game-changing email and a diabolical mastermind who thinks he can outsmart the law. - Heir To MurderE17
Heir To MurderIn an affluent Manhattan suburb, killers torture and beat millionaire Ben Novak Jr. in his hotel room. When police find his hands, legs, and mouth taped, his throat slashed, and his eyes gouged-out-they know they're looking for two or more sadists. In a hotel filled with thousands of convention delegates, detectives assemble a long list of enemies. Each has a motive and they are all pointing the finger at someone else. - Highway To HellE18
Highway To HellAn alarmed commuter on an Atlanta highway calls 911 after seeing a gunman fire into an SUV on the shoulder of the road. The victim is a 43-year-old father of two, Joseph Wilder, shot seven times. Eyewitnesses paint a clear picture of what happened at the scene. But figuring out what led to the violent confrontation will take 17 years, a random tip from Texas, and a clever sting operation that finally reveals who pulled the trigger. - Blood on the BooksE19
Blood on the BooksA bookkeeper to several wealthy families, 57-year-old Barbara Iske, is gunned down-execution style-in the driveway of her client's upscale Michigan home. Two local kids say they glimpsed the getaway vehicle. A tip from a Detroit sex-worker leads to an epic fail. And as investigators dig deeper into the victim's inner circle, they eventually uncover a dark family conflict where advocating for mom's financial interest can have deadly consequences. - It Takes Two to TangoE20
It Takes Two to TangoWhile his fiancé is fast asleep inside their home, 26-year-old Tray Phelps- a devoted father and aspiring pilot boat captain- is severely beaten to death on his driveway. Missouri investigators are convinced they're looking for multiple attackers. And while a series of disturbing social media posts tips authorities to a possible suspect, he refuses to give up the master manipulator at the heart of a sordid family plot. - Deadly DeliveryE24
Deadly DeliveryA PhD chemistry student at UC Santa Barbara, 27-year-old Jarrod Davidson answers his front door and gets shot by a weapon so powerful that the bullet pierces his neighbor's apartment. Initially, one couple claims the chemistry whiz was involved in cooking and selling drugs. But as California investigators dig deeper, they uncover a nasty custody battle and a cold-blooded family plot that hinges on a single strand of DNA.