The Atlantic County Prosecutor’s Office has confirmed that a Pleasantville, New Jersey, man has been sentenced to 30 years in state prison, (without parole) for committing a brutal murder.

Boris Lainez-Rosales

Atlantic County Prosecutor’s Office photo.
Atlantic County Prosecutor’s Office photo.
Atlantic County Prosecutor’s Office photo.

On Friday, July 31, 2026, Boris Lainez-Rosales, 28 years old, from Pleasantville, New Jersey, was sentenced by New Jersey Superior Court Judge Joseph A. Levin to:

  • 30 years in New Jersey State Prison following a previous guilty plea to first-degree murder.

Lainez-Rosales confessed to his role in the murder of Leslianette Quintana-Betancourt, 25 years old, also from Pleasantville, New Jersey.

Current New Jersey law requires that he is required to serve the entire 30-year sentence without being eligible for parole.

Atlantic County Prosecutor’s Office Reveals Disturbing Details

Atlantic County Prosecutor’s Office photo.
Atlantic County Prosecutor’s Office photo.
Atlantic County Prosecutor’s Office photo.

The defendant admitted that on December 2, 2024, he assaulted the victim, who was his domestic partner, and pregnant at the time, with a baseball bat at his home in Pleasantville, causing her death, said the Atlantic County Prosecutor’s Office.

Collaborative Investigation

Pleasantville Police Department photo.
Pleasantville Police Department photo.
Pleasantville Police Department photo.

The investigation was conducted by the Pleasantville Police Department and Atlantic County Prosecutor's Office's Major Crimes Unit.

Atlantic County Executive Assistant Prosecutor Rick McKelvey represented the State in this case.

Atlantic County Law Enforcement

Atlantic County Law Enforcement.
Atlantic County Law Enforcement.
Atlantic County Law Enforcement.
Will Reynolds photo.
Will Reynolds photo.
Will Reynolds photo.
City of Atlantic City photo.
City of Atlantic City photo.
City of Atlantic City photo.
Atlantic County Law Enforcement.
Atlantic County Law Enforcement.
Atlantic County Law Enforcement.
Atlantic County Law Enforcement.
Atlantic County Law Enforcement.
Atlantic County Law Enforcement.
Atlantic County Law Enforcement.
Atlantic County Law Enforcement.
Atlantic County Law Enforcement.
Atlantic County Law Enforcement.
Atlantic County Law Enforcement.
Atlantic County Law Enforcement.

SOURCE: Atlantic County Prosecutor’s Office.

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