Homicide: Hours to Kill

A successful vacuum salesman is gunned down outside his Indiana office; as detectives untangle the victims' final 24 hours, all the clues point to a hired hit.

When a woman is murdered in her Alabama home, investigators receive a lead pointing to a high-profile suspect, but it will take a decade before their circumstantial murder case has enough substance to go to trial.

Sixteen-year-old Theresa Burns is brutally murdered in her family's Indiana home; though investigators believe they've found the murder weapon, it will take a quarter of a century before they close in on the killer.

In rural Michigan, 34-year-old Deborah Boothby is run over on the highway, and for nine years the case goes unsolved. That is, until a team of detectives review the evidence and the hit-and-run cold case becomes a murder investigation.

A man comes home to find his fiancée dead in the bedroom of their new home; the discovery of infidelity soon puts him firmly in the hot seat; as investigators piece together the victim's final 24 hours, they uncover a sinister plot.

Popular newlyweds Rick and Gail Brink are shot execution-style in their Michigan home. But it will take 25 years before investigators uncover a flaw in the timeline that convinces them of the killer's guilt.

The body of a 16-year-old high school cheerleader is found floating in a river bordering Texas and Oklahoma; the police investigation unearths several promising suspects, then a break points to a killer already in their midst.

When a nursing student is shot dead outside a Houston community college, the search is on for a brazen shooter in a red car. Detectives retrace the last 24 hours of the victim's life, and unearth a number of potential suspects.

When firefighters in Arlington, Texas extinguish the flames of an apartment fire, they discover the charred remains of 19-year-old Missy Grubaugh. Several of her restaurant coworkers soon come under scrutiny.

After Genore Guillory is brutally murdered in her own home, investigators look at several suspects on the woman's final 24-hour timeline; unable to pin anyone down, the case goes cold, until a witness comes forward with the inside story.

Amid rumors of buried treasure at a Louisiana pet cemetery, the property's reclusive owner is found wrapped in heavy chains at the bottom of a river. Somebody wanted her to disappear, but it will take over 20 years before police can find her killer.

When a Louisiana man is shot in his sleep, detectives uncover details of his extracurricular love life and a death policy that promised to pay out, even in the event of his murder.

When Diane Holik's body is discovered in her Texas home, detectives are faced with one of the most pristine crime scenes they've ever encountered; they unearth multiple suspects, but only the victim's reconstructed timeline can identify the killer.

Georgia detectives investigate the timeline of a family involved in a triple shooting find motive in both their failing business and a local addict with a grudge. But the discovery of a hidden key ultimately unlocks the secret to the killer's identity.

The investigation into a Florida woman's murder takes a bizarre turn when an out-of-state tip about a homicidal hitchhiker. But the smoking gun comes via a local pawnshop, revealing a killer who lurks dangerously close to home.

A Jacksonville firefighter discovers his wife's lifeless body in the bedroom of their home. His confession of infidelity initially makes him the prime suspect. But it's a stolen car caught on CCTV that ultimately leads investigators to the killer.

Searching for a dismembered New Hampshire woman's killer, police identify a series of potential suspects including a mysterious drifter named Razor. But the truth lies in a missing persons report, and a one-eyed teddy bear.

A double homicide in New York City soon becomes a media circus when investigators reveal the two victims led a secret life; as the list of suspects grows, it's a call from the victims' home that may provide the only link to the killer.

In an affluent Atlanta suburb, a young boy is stabbed 18 times when he returns home from school, and his mother's lifeless body is discovered in her bedroom; a neighbor's chilling story points police toward a psychopath.

A tight-knit Georgia community is in shock when a 41-year-old woman is bludgeoned to death in her own home. As detectives look to piece together her final hours, a story from behind bars reveals the shocking motive for murder.

When an 18-year-old Staten Island woman is murdered in her home, the media turns her secret into a front-page scandal. But a meticulously constructed timeline allows detectives to close in on their number one suspect.

Fifteen-year-old twin girls make a horrific after-school discovery when they come home to find their mother floating dead in the bathtub. Their compelling testimony leads the investigation, but the hair-raising truth lies hidden in the details.

A young woman is found floating in a river off Merritt Island, east of Orlando, Florida. And as the circumstantial evidence piles up, the shifting story of one suspects' timeline ultimately becomes the smoking gun.

A Pennsylvania Sunday school teacher is executed in a sniper-style attack.

Confessed fraudster Andrew Kissel is found stabbed to death in the basement of his rented Greenwich, Connecticut home. And in order to find the killer detectives must unravel every detail of his last 24 hours.

Investigating an execution-style murder in a luxurious Miami suburb, detectives uncover a thriving law practice that made plenty of enemies, a business partner caught in a lie, and a troubled son with a lifelong grudge.

When a Miami businessman goes missing, detectives uncover a mangled body in the Everglades and a dark secret with fatal consequences.

A Memphis woman is found dead in the back of her truck and with a four-karat diamond ring still on her finger it’s clear that robbery was not the motive.

A homemade car bomb claims the life of a business tycoon and it will take Tucson detectives a decade to track down his killer.

A charming South Carolina man is gunned down and it turns out there are plenty of people who would have wanted him dead.

A small Wisconsin town is shattered by a shocking double homicide with a suicidal finish.

An ambitious and successful Russian woman with many admirers is gunned down in the garage of her suburban Texas home.

It’s not the message written in blood, but a pizza delivery that ultimately leads Florida detectives to a woman’s killer.

An Arizona yoga instructor is gunned down, and a critical shift in the timeline ultimately leads to a nationwide manhunt.

Gunned down in his bed, a former marine ignited fury in his colleagues and left a string of broken hearts in his wake.

If only he’d kept his mouth shut, Desiree Sunford’s cold-blooded killer would have gotten away with murder.

A 36-year-old single mother of 8-year-old triplets is found strangled to death in her home in Washington State.

When a divorced mother of five is brutally strangled, Washington State detectives believe her dating history is the key to finding her killer.

A church-going entrepreneur is gunned down in his home, and as Spokane investigators dig into his business they discover a desperate man hell-bent on success.

A 63-year-old retired Air Force captain is fatally doused with sulfuric acid. Investigators eventually uncover a deadly neighborhood feud and a manipulative mastermind with a barbaric plan.

A media firestorm erupts in Georgia when a law student's dismembered torso is discovered in a dustbin outside her home.

A Tampa bartender is gunned down in her garage, and it’s the victim’s own handwritten notes that break the case wide open.

It’s Thanksgiving weekend, and a popular college student is stabbed over 100 times in her Jacksonville Beach apartment.

When a Florida hotelier is reported missing, the no-body homicide case includes a love triangle, a possible case of arson, and an unmarked grave.

An Iowa man is gunned down in his sleep and the list of suspects expands to include his fiancée, her two ex-boyfriends, and a mysterious case of stolen identity.

When an Ohio man is gunned down in his home just days before Christmas, detectives narrow the timeline to a mere eight-minute window.

The body of a young woman is dumped in a gritty Brooklyn neighborhood, and detectives must uncover evidence that will tie the killer to the crime scene.

When a Michigan couple is slaughtered in their own home, the case soon goes cold. That is, until a random tip leads investigators right back to square one.

An Illinois woman is found floating in a river, and the prime suspects soon include her husband, a peeping tom, and the victim’s secret lover.

Investigating the double execution of Delaware newlyweds, Wilmington detectives uncover a drug habit worth killing for.

A factory worker in Maine finds his missing SUV in a motel parking lot two months after it goes missing, and the body of his estranged wife in the back seat.

When detectives investigate an execution-style murder in Miami, the motive boils down to money and a lifelong grudge.

After a 31-year-old man is savagely stabbed in his Atlanta home, detectives turn to geo-fencing technology to unravel a crime of passion with a dark heart.

When one of its employees is bludgeoned to death, a giant pharmaceutical conglomerate in Kentucky becomes the site of a real-life murder mystery.

In Texas, a beloved grandmother with a five-million-dollar life insurance policy is worth more dead than alive.

A 36-year-old successful and vibrant computer programmer in the 1990s is stabbed dozens of times in her San Francisco condo.

With three grizzly murders in less than two weeks, detectives in Austin, TX, are convinced there’s a serial killer on the loose.

The shining star of her square dance club, a wealthy widow is gunned down on the porch of her Arkansas home.

It takes more than 25 years before detectives can solve the execution-style double homicide of a prominent couple in their 80s.

The execution-style slaying of a prominent Wisconsin couple tears apart their idyllic family portrait.

In the vicious rape and murder of a 22-year-old psychology student, a bloody fingerprint points to a mild-mannered monster hiding in plain sight.

A high school freshman is brutally stabbed in Pleasanton, and it will take a quarter century before California investigators can track down her killer.

It will take a year—and an all-new crime unit—before Georgia investigators can close in on a single mother’s cold-hearted assassin.

The battered body of a 15-year-old female runaway is found floating in a river outside Salt Lake City.

A 36-year-old devoted single mom with no enemies is assassinated in the bedroom of her Tennessee home.

In the brutal slaying of a Dallas art student, investigators zero in on a suspicious trio of unusual suspects.

After a Missouri college student is brutally murdered, detectives receive an anonymous tip that turns the college town upside down.

In the abduction and murder of father and successful Hasidic businessman, Brooklyn police uncover a mountain of debt and plenty of potential suspects.

The body of an Oklahoma cab driver is found in the trunk of his car, and tracking down the killer puts homicide investigators to the test.

When a loving grandmother dies suddenly of a mysterious illness, detectives in a suburban New York town uncover a nearly perfect crime.

In a Texas college town, a 20-year-old freshman is brutally strangled to death in her off-campus apartment.

When a young couple is gunned down in broad daylight, detectives in northern New York search for the cold-blooded mastermind of a very personal crime.

While investigating the violent stabbing death of a 16-year-old girl, Idaho investigators uncover a grizzly plot pulled straight from a horror movie.

When a wealthy Missouri couple is violently murdered, the key to catching the killer lies in retracing a missing jar of rare coins.

When a Missouri insurance salesman is gunned down, the suspects include his jilted wife, a secret lover, and a laundry list of high-risk clients.

While investigating the execution-style slaying of a retired Colorado mortgage broker, detectives put his nearest and dearest under the microscope.

A Colorado soccer mom disappears without a trace. And when it turns out she was moonlighting as an escort, the list of suspects mushrooms.

When a 66-year-old busybody is sexually assaulted and strangled in her own garage, the violent murder puts a tiny Nebraska farming community under the microscope.

A gunman shoots William Walker, lieutenant of the Cleveland Fire Department, in his own driveway.

Terri Brooks, assistant manager of a Pennsylvania restaurant, is brutally murdered after being robbed.

An enraged killer attacks 26-year-old Alexandra Ducsay, an aspiring artist with a big heart and a blossoming career.

Niagara Falls investigators find a serial monogamist slaughtered to death.

In New Jersey, a woman is violently stabbed in her house.

In Alaska, police fear a serial killer is on the loose, murdering native women.

In Anchorage, a public health nurse goes missing, and the investigators get help from a terrified neighbor.

A suitcase found in Connecticut contains a macabre and tragic discovery.

In Florida, a cell phone could help solve a case involving the torture and murder of a man.

A mysterious 911 call alerts the police to the murder of a Harvard graduate.

A successful physician with a TV career ahead of her is bludgeoned to death in her Florida home.

Kendra Hatcher, a renowned pediatric dentist, is shot to death in the enclosed parking lot of her Dallas apartment.

In Texas, the body of Dr. Joseph Sonnier is discovered face down in the garage of his home.