In October 1981, the lifeless body of Diane Delia, a young transgender model, was discovered wrapped in a soaked yellow blanket in the Hudson River. 

Even after four decades, the Diane Delia murder case is making waves on the internet. 

Shockingly, the victim had sustained four fatal gunshot wounds to the head. At the time of her murder, Diane was involved in two complicated relationships.

One was with her husband, Robert Ferrara, while the other involved a romantic connection with a female nurse named Robyn Arnold.

An investigation soon began after the news of the tragic Diane Delia Murder came to light. 

In 2022, a TV show, ‘The 1980s: The Deadliest Decade: The Death of Disco’ presented the story of the demanding murder case and offered a comprehensive understanding of the tragic tale. 

This year. Investigation Discovery’s ‘Murder in the Big Apple’ will chronicle Diane Delia’s murder case in an episode titled Friends, Lovers, Killers. 

Here’s what the synopsis for the upcoming episode reveals:

“The murder of transgender woman Diane Delia uncovers a volatile marriage, a confusing love triangle and an illicit affair; the detectives lack the evidence to make an arrest until someone comes forward with a shocking story.”

The truth behind the Diane Delia murder case

Diane Delia’s life was marked by complicated relationships and significant personal transformations.

Before officially becoming Diane, the transgender was known by the name John Delia. 

One of these relationships was with Robert Ferrara, a bartender at The Playroom, a renowned gay bar.

However, Diane’s journey took a new direction when she met Robyn Arnold, a wealthy Jewish-American nurse. 

In November 1980, while dating Robyn, John Delia underwent gender reassignment surgery in Colorado. 

She embraced her new identity, officially adopting the name Diane, inspired by her favorite drag queen, Diana Ross.

The following year, Diane’s relationship with Robyn began to falter, leading her to marry Robert in the summer of 1981.

As per the report, the pair had an open marriage, allowing Diane to continue her involvement with Robyn and intensifying the complexity of their love triangle.

Later, Diana moved out of her shared residence with Robert and began living with Robyn. 

The police found Diana’s lifeless body in the Hudson River dressed in a lavender camisole top and matching pants.

The mystery intensified when the police saw Diane’s body wrapped in a striking yellow colored blanket.

Diane had suffered one bullet wound to the eye and three more to her skull.

The investigation of Diane Delia murder case

Robyn Arnold and Robert Ferrara, both known as Diane Delia’s partners at the time, emerged as prime suspects in her murder. 

The authorities charged and apprehended both of Diane’s partners, Robyn and Robert, with murder.

Robyn asserted that she had an alibi at the time of the murder, attempting to distance herself from the crime. 

However, the authorities discovered significant evidence pointing toward her involvement. Investigators found Diane’s shoes in Robyn’s closet, a damning piece of evidence that linked her to the crime scene. 

According to the authorities, the yellow blanket used to wrap Diane’s body allegedly belonged to Robyn.

These findings served to strengthen the case against her.

Meanwhile, another significant development arose when a witness reported that Robert had pawned his wife’s diamond ring even before her body had recovered. 

This act further raised suspicions about his complicity in the murder.

After days of deliberation, the jury released Robyn Arnold while finding Robert Ferrara guilty in the case of Diane Delia’s murder.

According to the official records, Robert Ferrera was imprisoned in a cell at the NYS DOC Woodbourne Correctional Facility in New York. He was punished with 25 years in Jail in 1982.

The police released Robert on parole in 2008, and since then, he has not been seen in public.

However, his exact location remains unknown. Some sources claimed that he most likely lived in New York City.