Warning: This story contains graphic content. Investigators have unmasked the suspected killer behind the 1986 cold case slaying of a Florida nurse using DNA. Donald Douglas was identified as the ...

Teresa Lee Scalf, 29, was found with her throat slit in her Florida home in 1986 Samira Asma-Sadeque is a legal reporter at PEOPLE's crime desk. He work also appears in The New York Times, The ...

Teresa Lee Scalf’s family has searched for the name of the person who killed their loved one for over three decades. Now, thanks to new DNA analysis, Scalf’s family has an answer – and some semblance ...

(CNN) - Teresa Lee Scalf's family has searched for the name of the person who killed their loved one for over three decades. Now, thanks to new DNA analysis, Scalf's family has an answer - and some ...

Donald Douglas, the man suspected in Teresa Scalf’s death, died of natural causes in 2008 at age 54, the sheriff’s office said. Screengrab from Polk County Sheriff's Office Facebook Live Nearly four ...

Donald Douglas Gardner, Age 91 of Tequesta, Florida passed away peacefully on Sunday, May 24, 2009. He was a resident of Arlington Heights, IL for forty years. Donald was a graduate of DePaul ...

(CNN) — Teresa Lee Scalf’s family has searched for the name of the person who killed their loved one for over three decades. Now, thanks to new DNA analysis, Scalf’s family has an answer – and some ...