Tuesday

Arizona v. Mark Gooch. A camper gathering firewood in Arizona's scenic Sunset Crater National Park was shocked to discover the body of a young woman in a traditional long dress, wearing black dress shoes. Her Mennonite family and friends were stunned — she had no known enemies and was a beloved, studious young woman, who loved books. How did she end up dead so far from home? Using sophisticated investigation techniques, police analyzed cell phone tower records and grainy surveillance videos that led them to their number one suspect.

What does it take to prove murder if the victim cannot be found? Investigators must go to extreme lengths to catch the killer when the victim is presumed dead.

When lovers turn on each other, or marriages fail, some ruthless spouses find a grisly way to gain an uncontested divorce – with no paperwork. When murder tears lovers apart, forensic science must put piece together the mystery to catch the killer.

These cases took a decade or more to solve. There’s no statute of limitations on murder. As a case turns cold, the clues become scarce, investigators must rely on science to close cold cases.

Cari Farver vanished, but unsettling messages kept appearing. As investigators search for answers, digital evidence reveals a twisted story of obsession.

After a body is found in a ditch, police link it to a missing father who lives nearby. With no clear crime scene, investigators scour his home and the roadway, using trace evidence and creative forensic tests to reconstruct what happened.

Just because some people are young, doesn’t mean they’re above the law.

Dr. Dale Cavaness is revered in his hometown of Eldorado, Illinois, but when his 22-year-old son is slain execution-style, authorities find that the good doctor has some skeletons in the closet. Dr. Dale has had not one, but two sons die by gun shot at the same age. Is this coincidence, or is there a sinister force intent on killing off the Cavaness sons?

Spring 1998. In the city of Moncton, New Brunswick police discover the bodies of Joan Hicks and her 11-year-old daughter, Nina Ð both brutally murdered late in the night. That same day, an eyewitness account prompts police to arrest Michael Wayne McGray for the heinous crime. However the real investigation soon uncovers the depths of Michael McGrayÕs twisted mind, revealing a nation-wide killing spree that spanned more than a decade.

Every family has its secrets, and sometimes blood relations lead to bloodshed. When murder becomes a family affair, investigators must turn to forensics to uncover family plots.

Caught in the act, a disguised bank robber hurled explosives at police and disappeared in a hail of bullets. When police identified the suspect, they connected him to an armed kidnapping, but they couldn’t find him.

While Frank and Nancy may have drifted apart in their long marriage, they are still on solid ground. But when one of them is confronted by a gunman in their driveway while the other is away, police follow a money trail stretching back several years. With so many people involved in the crime, who is actually behind it?

Dr. G works on unexplained deaths in orange and osceola counties in florida, as well as similar deaths from her previous employment as an associate medical examiner in bexar county, texas. The show features dramatic re-enactments of the events leading up to the person's death as well as the autopsies. Interviews with dr. G, family members, and other people connected to the deaths are also shown.

Ashamed of a pregnancy out of wedlock, and fearful of her parent’s reaction, high school senior Skylar Richardson told no one of her condition. But when a newborn’s body was found buried in the family’s backyard, Skylar was charged with murder. Police interrogation tapes of Skylar and her parents revealed a powerful story of a family’s secret.

Weapons are the hallmark of violent crime, tools designed to harm – or kill. Forensic science has developed a world of techniques for tracking and identifying these devices. Blood spatter, explosive residue, ballistics and trauma wounds tell crime scene investigators their deadly story

After years of physical abuse, Karra Trichele Allen and her husband Brian take a dangerous turn in their relationship.

When 71-year-old Colleen Harris discovered her 73-year-old husband Robert was having a long-distance affair with a 35-year-old woman in Mongolia, she decided to teach him a lesson.

Reality TV personality Andre Montgomery is shot dead in St Louis. As detectives investigate, they uncover a stunning murder-for-hire conspiracy that leads back to a member of his own family, revealing a betrayal almost beyond belief.

Fredrick Banks is an eccentric senior who loves to show off his vintage cars and wallet stuffed with cash. When he is found slain in his garage, authorities hunt for the mysterious stranger who has recently been spotted lurking in town. And it turns out, the drifter has a lot to hide.

Ohio v. Erica Stefanko. In a tale of jealousy, betrayal and revenge, 25-year old Ashley Biggs, a single mom and pizza delivery driver, was murdered on a late night run for Dominos. Police arrested her former boyfriend Chad Cobb, saying he killed her over a bitter custody dispute involving their seven-year old daughter. For eight years, Cobb had refused to tell police who had helped him lure Ashley to her death, protecting his then-wife Erica Stefanko. But once he learned that Erica had become romantically involved with his best friend and that she was allegedly abusing his daughter, Cobb revealed Erica’s role in the murder.

On December 11, 1987 a hard luck child living in a group home in Ontario was reported missing when she failed to return home from school. Trina Campbell had been known to run away on occasion but, this time she had been abducted by a convicted rapist. With the help of the suspectÕs sister and brother-in-law, authorities begin a surveillance mission that would take them across three provinces and lead them directly to where TrinaÕs remains were hidden.

Fear grips the students of Southern Illinois University when the violated body of senior Susan Schumake is discovered near a popular campus trail. Years of tireless investigation finally reveals a remorseless killer.

When a writer lands a dream apartment, she immediately packs her bags and moves out there, but within four nights, she hears a terrifying scream.

In Madisonville, Ky., a respected businesswoman is discovered bludgeoned and stabbed to death in her home, which leads to an investigation.

Missouri v. Joseph Elledge. An exchange student found a career and a love match in the idyllic Missouri university town of Columbia. It was a shock to their friends and family when she disappeared, leaving both her child and cell phone behind. The missing persons case made headlines as police divers painstakingly searched a nearby river without success. But then a discovery - hikers stumbled on the remains of a corpse in the woods, and forensic experts confirmed it was Mengqi. The “no body” case was now officially a murder case with strong forensic evidence matching dirt on the killer’s boots to the dirt at her gravesite.