American Monster on ID: What happened to Diane Malone?

Diane Malone
What happened to Diane Malone? (Image via Unsplash)

The 32-year-old Diane Malone was found dead in her Long Beach home in 2004. Malone was stabbed to death by her estranged husband, David Malone, and left behind in the house with three of her children.

Allegedly angry and jealous over the separation in their marriage, David Malone stabbed and bludgeoned Diane to death and fled the scene remaining at large for four days. According to witness statements and close family, the couple reportedly shared a history of domestic abuse.

The American Monster episode titled I Saw Dad Kill Mom chronicles the cold-blooded murder of Diane Malone as it airs on June 16, 2024, at 9 p.m. EST on Investigation Discovery. The official synopsis reads,

"The lives of a beautiful young family in Long Beach, New York, rip apart when five-year-old Audrey witnesses her mother, Diane, brutally stabbed to death; to Audrey's horror, her mother's murderer is somebody very close to home."

Who was Diane Malone? Details explored

Diane Audrey Gabrinowitz Malone was born in Coram, Suffolk County on March 7, 1972. Diane was married to a surfer and a carpenter, David Malone, with whom she shared three children - Audrey, Matthew, and Nathan.

Diane Malone met David during their teenage years as she studied at the Long Beach Senior High and he attended the Long Beach Catholic School. The two tied the knot in 1998. Diane worked as a model one time and in a gym in Long Beach. Diane also did some bookkeeping for several local companies including the New York Sports Club.

Diane Malone (Image via Findagrave)
Diane Malone (Image via Findagrave)

David and Diane were married for six years and the family lived in their home in West End in Long Beach, according to the New York Post. However, their marriage was allegedly laden with domestic abuse which led to their separation eventually. At the time of Diane's murder, both David and Diane were seeing other people, per the New York Times.

According to LiHerald, Diane had filed for a six-month restraining order against David in July. The couple had chalked out a visitation schedule for the children.


What happened to Diane Malone?

Episode 1 of season 10 of American Monster showcases how the 32-year-old mother of three was found dead and lying in a pool of her own blood in her bedroom, per the New York Times. Diane's six-year-old daughter, Audrey, had alerted their neighbor about her mother's death on September 13, 2004. She was reportedly smeared in her mother's blood.

Diane Malone (Image via Findagrave)
Diane Malone (Image via Findagrave)

The next-door neighbor found Diane dead in her bedroom in their 91 Alabama Street home. Diane was not only stabbed more than once times but was also bludgeoned after a stomping from David Malone, per New York Daily News.

On the night of the horrific attack, David's mother, Joan Malone, had been babysitting the three children when David dropped by and asked for Joan to leave. David reportedly waited in the house for Diane to return from the supermarket. He attacked Diane once she returned home and fled the scene.

According to LiHerald, the officials from the Long Beach Police Department failed to find a murder weapon and subsequently searched the sewers in the neighboring streets.


Catch all the details of Diane Malone's murder on the new episode of American Monster as it airs on Investigation Discovery on Sunday.

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