RIVERHEAD, N.Y. — Eddy Cine Jr., a 23-year-old aspiring computer technician, volunteered to cover for a co-worker on Christmas Day for his job as a CVS clerk in Lindenhurst, New York.

An armed robber stabbed him to death minutes before the end of his shift, at around 7 p.m., Suffolk County police said.

Now his suspected killer, a 43-year-old ex-con named John Pilaccio, of Lindenhurst, is facing a charge of first-degree murder — a more serious charge than suspected assassin Luigi Mangione in New York City.

"He took a Gatorade," Suffolk County District Attorney Ray Tierney said at a news briefing after the alleged killer's arraignment Wednesday. "According to post-arrest statements, the motivation was robbery."

An unprovoked Pilaccio allegedly demanded money and stabbed Cine in the chest with a knife, then jumped over the counter, stabbed him more and eventually fled, according to Tierney's office.

He allegedly told investigators he had $25,000 in credit card debt.

He also had a violent criminal record that included a tire iron attack 20 years ago and had been discharged from parole at some time before the murder, Tierney said.

"A number of the laws that have been passed have really made our parole system a joke," he told reporters, singling out a change that blocks parole officers from having their parolees re-incarcerated for failure to comply with the terms of their release.

"If that's the case, then why have parole?" he said.

Police arrived within minutes and applied first aid before an ambulance rushed Cine to the hospital, where he was pronounced dead from his injuries.

The Suffolk County Medical Examiner's Office listed his cause and manner of death as a homicide by sharp-force wounds to both his head and chest.

Cine was one of four siblings and grew up in a tight-knit family from West Babylon, according to an online obituary. He had attended the Hunter Business School and hobbies included cooking and music. He played the drums and had been a member of youth and children's choirs.

Tierney described him as a "remarkable young man" and a credit to the community. The Hunter Business School, where he had studied to become a computer technician, revealed that his father, Ed Cine Sr., is an instructor there.

"Ed, we are standing with you," the school said in a statement. "Our hearts, thoughts, and prayers are with the entire Cine family."

Pilaccio was arrested a day after the slaying and had initially been arrested on a charge of second-degree murder — which in New York state is the typical charge for a premeditated homicide. However, Tierney said that under state law, committing a murder in furtherance of a robbery justifies the higher charge of first-degree murder, which carries a sentence of life without parole.

In the Mangione case, Manhattan District Attorney Alvin Bragg's office had attempted to charge the accused assassin with first-degree murder, alleging that the slaying was an act of terror. However, a city judge tossed the top charge, leaving second-degree murder charges in its place.

The maximum sentence for second-degree murder in New York does include a chance at parole.

Greg Rogers, a former FBI agent, attorney and criminal justice professor at Utah Valley University, told Fox News Digital previously that he believes the judge "made a grievous error" in his decision to drop the top charge against Mangione.

"They did charge terrorism, because they're actually convinced they could prove it," he said. "Terrorism statutes are, and this isn’t an oversimplification, if you commit a homicide in furtherance of a political motive, which he allegedly did, that satisfies that statute."

As for Pilaccio, he is being held without bail at the Suffolk County Jail in Riverhead. He's due back in court on Feb. 23.

His attorney did not return a call seeking comment.