For some, the holidays are not the most wonderful time of the year. We look at several famous Christmastime murders and the psychology behind the killers to find out why such a merry time of year for some, can bring out deadly rage in others.

Some police departments are using unique fundraising methods to send kids in their community to camp for the summer.

Dep. Rebecca Loeb of the Lake County Sheriff's Department spoke with us about her transition from lawyer to law-enforcement officer, the challenges and benefits of being a female in a male-dominated profession and those funky pink handcuffs.

Ted Bundy, for one, received hundreds of love letters in prison.

Judges sometimes go beyond jail time, issuing creative punishments designed to fit the crime instead of standard incarceration.

Investigative journalist and crime writer M. William Phelps talks about his 'friendship' with serial killer Keith 'Happy Face' Jesperson.

Bestselling true-crime writer Suzy Spencer tours a body farm at Texas State University, where researchers study body decomposition in different settings to help those in forensic science and law enforcement fields.

Thomas G. Martin, former federal agent gives his take on the disappearance of Madeleine McCann.

From suspects hiding behind fake walls to chasing naked peeping Toms, the Live PD analyst shares his most memorable arrests.

Writer Larry Brand of the 'Young Charlie' podcast talks about misconceptions about the deranged cult leader's early years.

When you're paid to interview killers, you learn what to expect: lies, manipulation, and eventually, the truth.

An excerpt from Michael Arntfield's 'Mad City: The True Story of the Campus Murders America Forgot,' on the murder of Christine Rothschild.

Stopping an armed robbery while out on a date was just another day in the life of NYPD cop Ralph Friedman, who was the force's most decorated detective when he retired in 1984.

An expert in the psychology of school shooting perpetrators talks about who commits these heinous crimes.

*A&E Crime & Investgiation* spoke to a psychologist and a criminal profiler about the serial killers featured on Mindhunter.

Sgt. Leverett talks to us about how he gets people to tell the truth, the unexpected places he's found drugs (butts aren't that unusual) and what would surprise fans to know about his K-9 partner Flex.

Melting ice that exposed the buried bodies of missing people was one offbeat way a cold case was reopened.

Authors Blaine Pardoe and Victoria Hester on why eight murders along Colonial Parkway in Virginia have gone unsolved for so long.

As much as people like to think of their four-legged friends as family members, legally, they're property.

Some of the most notorious serial killers of our time have something in common, beside their thirst for blood: They were all adopted. We spoke with criminologist Dr. Scott Bonn to see whether there is any evidence of an adoptee-serial killer connection.

The Murdaugh murders exposed a web of deceit and financial crime.

Caylee Anthony’s disappearance shocked the nation in 2008.