Investigators in New York have arrested the ex-boyfriend of Dacia Johnson, the 22-year-old Brooklyn woman whose dismembered body was found packed in a suitcase last month, and are looking for six other witnesses who are wanted for questioning.

The ex-boyfriend, who has not yet been publicly identified, was taken into custody by NYPD over the weekend on an active Nassau County arrest warrant unrelated to Johnson’s case. New York Post.

This is reported by several sources in the New York police PEOPLE that the police were questioning him in connection with the murder of a young woman.

Murder victim’s ex-boyfriend in custody, NYPD seeks six more ‘witnesses’ for questioning

Police have released photos of five women and one man they say are “wanted as witnesses” in connection with a gruesome murder in Brooklyn. All six were reportedly in Johnson’s Brooklyn apartment at the time of her death.

Johnson’s ex-husband has remained at the 75th Precinct station building since Monday and has been on the NYPD’s radar since the gruesome discovery.

Her body was found dismembered in her East New York apartment on September 21, after concerned relatives failed to reach her.

Police sources say Johnson’s body was dismembered and placed in two suitcases.

Victim had active restraining order against ex-boyfriend, neighbors describe abuse she faced

She had a restraining order in place against her ex-boyfriend. Her ex-boyfriend had already been arrested in March when he violated a restraining order by showing up at her apartment to collect some of his belongings, the publication was told.

Her apartment was left soaked in blood after the murder, one neighbor told the Post.

“Blood everywhere, pints of blood,” neighbor Stephanie Harris said at the time. “It was unpleasant. “You can imagine what happened to her. You know she was fighting for her life.’

Other neighbors told the outlet about Johnson’s ongoing abuse at the hands of her ex-boyfriend, who said she was often seen with bruises on her body. One resident said the guy even threatened her young daughter.

Family problems. Building security guards for not doing enough to protect homicide victim after requesting well-being check

Since then, Johnson’s family has placed some of the blame on the building’s security for not doing enough to protect it.

Her relatives called security at the building on Sept. 21 to check on the well-being of Johnson — a rookie teacher — but the guards were turned away by two men, one of whom was believed to be her ex-boyfriend, according to police.

Security guards eventually returned to her apartment later that day and discovered her remains before calling the police.

As of Monday, authorities have yet to formally charge the ex-boyfriend.

A candlelight vigil was held in Johnson’s honor on September 28.

Anyone with information about Johnson’s death and/or the identities of the other six witnesses is urged to contact the NYPD.

The Crime Stoppers program is offering rewards of up to $3,500 for anonymous information submitted to the tip line at 800-577-TIPS that leads to the arrest and conviction of a violent criminal.