A New Jersey man has been arrested in the murder of his 26-year-old co-worker, more than two months after she was found dead in her apartment, prosecutors said Thursday.

Kenneth Saal, 30, is accused of killing Carolyn Byington when she went home for lunch on June 10.

He was arrested at his home in Lindenwold in Camden County on Wednesday and charged with first-degree murder and possession of a weapon for an unlawful purpose.

Neighbors in Byington’s Plainsboro apartment complex on Hunter Glen Drive recalled hearing faint screams and the sound of furniture moving coming from her unit at the time.

Saal and Byington worked together at Engine Group, a marketing firm with a location in Princeton, for the past three years. Saal works as a staff accountant, while Byington was a market research project manager.

Her body was discovered just before 6 p.m. that evening after colleagues called police for a wellness check when she didn’t return from lunch.

“The investigation has been a top priority since the crime occurred,” said Middlesex County Prosecutor Andrew Carey. “I hope that the arrest brings at least some sense of peace to the friends and family of Carolyn, as well as the greater community.”

In a statement, Engine said it was cooperating with police.

“Our primary interest is in helping them get justice for Carolyn’s tragic death,” the statement said. “Our thoughts are with her family during this difficult time.”

The investigation is active and is continuing. Anyone with information is asked to call Detective Tim McMahon of the Plainsboro Police Department at (609) 799-2333 ext. 1627, or Detective David Abromaitis of the Middlesex County Prosecutor’s Office at (732) 745-4436.