When the body of a young woman is found in her own backyard, a week after her disappearance, evidence leads investigators to a chilling conclusion. She is not the first victim of a serial killer no one knew existed. She most definitely is not the last. FBI Special Agent Tess Winnett joins the local detectives assigned to the case and searches for answers in the intriguing investigation that offers a plethora of forensic evidence, yet no viable leads. When another body is found, the search intensifies, and details about the killer's unusual signature emerge.

They are the most violent, blood-thirsty, and vicious of criminals. While hunting for them, FBI profilers call these monsters UNSUBS, short for "unknown subjects of ongoing investigations". At any given time, in the United States there are more than 50 serial killers at large, preying on vulnerable, unsuspecting victims. Until yesterday, no one knew Florida had another serial killer on the loose. Special Agent Tess Winnett calls this particularly elusive one the "Taker of Lives".

A teenage girl is boldly kidnapped from her school, minutes after her mother dropped her off. While a frenzied search begins, bringing together the entire police force of the city that never sleeps, for Detectives Baxter and Holt, this isn’t a crime like any other - it is personal. Detective Holt is faced with an inconceivable decision: Sacrifice everything he holds sacred or jeopardize the life of an innocent girl. But the man holding all the cards in this game of life and death isn’t willing to negotiate; he’s only willing to kill.    

Detectives Laura Baxter and Jack Holt are members of the elite: Las Vegas Metro PD, one of the toughest and most respected law enforcement agencies in the United States. In the middle of a city with two million residents and 43 million annual visitors, they’re hunting for a killer. At the heart of a glamorous Las Vegas hotel, in front of hundreds of witnesses and under the lenses of countless video surveillance cameras, a young girl is brutally murdered. The most recorded crime in Vegas is missing one key protagonist, the killer.

When Detective Kay Sharp first left Mount Chester - population 3,823 - in her rear-view mirror, she promised never to look back. The town only contained bad memories and dark secrets. But when a brutal crime surfaces, she finds herself home once more, and this time, she’s not going anywhere. Kay is called to Blackwater River, where the body of a 17-year-old girl has been found. Surrounded by snowy peaks and a forest alive with the colors of fall, the victim floats in the water, a hand-carved locket around her neck.

After the body of a brutally murdered young woman is recovered from the Gulf of Mexico far from shore, FBI Special Agent Tess Winnett is called in to assist with the profiling of the murderer. Although only one body has been found, every detail about the gruesome crime points to the work of a serial killer. Have there been others left to die far at sea, where no one will ever find them? Is there a connection to be found, or is Tess searching for evidence that doesn’t exist?

Detective Kay Sharp vowed she’d never return to her childhood home. But now Kay’s back, and only she can solve the crime that has rocked the tight-knit community of Mount Chester to its core. A dead woman has been found by Silent Lake under the dew-covered fall leaves. Kay knows the missing-person investigation could turn into a murder case at any second. But as she hunts for the culprit, her own past closes in on her. Can she find the killer before it’s too late? And will the secret she thought she’d buried stay that way?  

After a high-profile victim survives a brutal attack in her own home, FBI special agent Tess Winnett accepts to handle the investigation off-book. With every question she asks, the truth unveiled poses more questions, but leads to only one possible conclusion: The Word Killer is back.

Her blue eyes wide open, glossed over. A few specks of sand clung to her long, dark lashes. Her beautiful face, immobile, covered in sparkling flecks of sand. Who is the beautiful girl found at dawn, on a deserted stretch of white sand beach? What is her secret? FBI special agent Tess Winnett searches for answers relentlessly. With each step, each new finding, she uncovers unsettling facts leading to a single possible conclusion: Dawn Girl is not the only victim. Her killer has killed before.

An entire family is murdered and, by a quirk, a young girl is left unharmed. For 15 years, she believed the killer had been caught, and he's now on death row, awaiting execution. While trying to be content with her adoptive family, she's living in relentless uncertainty and the fear of remembering what really happened that night when she was five years old. She's The Watson Girl.

A friendly fire incident in Afghanistan takes a serious toll. A drone, out of control, brings death and wreaks havoc on a Florida highway. An apparently successful corporation comes under scrutiny. A memorable incursion behind corporate closed doors, led by an up-and-coming private investigator, a modern detective on a mission to find the truth about the lives lost to the very technology that was mandated to protect them. Our skies aren't safe anymore.

When firefighters discover the body of a teenage girl at an abandoned house, Detective Amanda Steele hurries to the scene. Dumfries, Virginia, is a small town, yet no one seems to have any idea who the dead girl is, until Amanda finds a dragonfly pin with the name Crystal engraved on it. Working tirelessly, Amanda traces the pin to Crystal Foster, a 13-year-old who disappeared three years ago from her wealthy parents’ home. Breaking the news to the distraught parents won’t be easy, but the loss of her own daughter still haunts Amanda, and she knows this will bring them closure.

The remote town of Crooked Creek has barely recovered from its most recent tragedy when wildfires tear through the mountains. Detective Ellie Reeves is grappling with her own heartbreak - she has just discovered she was adopted and that her childhood was a lie. Under the scorching summer sun, Ellie is called to a river where a body has been found. She spots a lone woman’s shoe caught in a nearby tangle of vines, and a pearl necklace scattered by the water’s edge. Was the victim - whoever she was - caught in the fire, or is something more sinister at play? 

Failure has never been an option for Rachel Hatch. A promise made to a teenage girl trapped by a powerful human trafficking ring must be kept. Hatch's search takes her deep into Mexico, where the rules are different and the enemies are numerous. Finding the girl is only half of the problem. Getting her back home proves to be just as difficult, if not more so. With two rival cartels on the brink of war and Hatch caught in the middle, she must use everything in her arsenal to survive. 

When 17-year-old Savannah Devenish vanishes from her family’s remote vacation cabin in Minnesota, FBI Agent Tori Hunter races along treacherous icy roads to be first on the scene. Savannah’s parents are frantic with worry for their beautiful, carefree girl. Haunted by memories of her own missing sister, Tori vows to do whatever it takes to reunite this family. When the police uncover that Savannah’s father, Jacob, was having an affair, they suspect his involvement, but Tori is convinced his despair is genuine.