David Graham and Diane Zamora were only teenagers when they were arrested for a brutal crime: the beating and shooting death of 16-year-old Adrianne Jones, a well-liked girl in Mansfield, Texas ...

“David Graham and Diane Zamora’s relationship wasn’t just teenage love or puppy love; they were madly, obsessively in love with each other,” according to Siegler. On Aug. 30, 1996, Grand Prairie ...

Adrianne Jones (left), David Graham and Diane Zamora, 18. The Jones and Graham photos are from the 1996 Mansfield HIgh School yearbook. Zamora is seen in a 1996 booking photo following her arrest ...

Diane Zamora and David Graham were high school sweethearts and among the nation’s best and brightest— until they were convicted of murder. The so-called “Texas Cadet” murder case was one ...

What makes Diane Zamora and David Graham most unexpected as murder suspects is not just that they were 18-year-old honor students from middle-class families.

FILE - In this June 1996 file photo, David Graham and fiance Diane Zamora are shown in Fort Worth, Texas after having received appointments to the U.S. Air Force Academy and Naval Academy ...

And it appears that somehow that bond became twisted, leading David Graham and Diane Zamora down the forlorn, Seton Road toward murder on Dec. 4.The two 18-year-old honor students who within six ...

But Zamora doesn’t deny her complicity: She admits that she witnessed her fiancé, David Graham, kill the 16-year-old, and then helped hide it. But she insists she never killed anyone or set out ...

Zamora, who attended the U.S. Naval Academy, and ex-boyfriend David Graham, who was at the Air Force Academy, were convicted of capital murder in the 1995 slaying of 16-year-old Adrianne Jones of ...

Graham, 30, now says he killed the girl and had convinced himself that he could atone for it later. Zamora, also 30, maintains her innocence. She declined to be interviewed for the newspaper report.

Zamora and David Graham were high school students when Graham confessed to Zamora that he’d had a one-time tryst with Adrianne Jones, a 16-year-old classmate at Mansfield High School.