A Saint Lucian was shot dead Thursday night after a Dallas police officer entered an apartment unit she believed was her own, local reports say.

The deceased has been identified as Botham Shem Jean.

The shooting happened at the South Side Flats before 10 p.m., about one block from the Dallas Police Department Headquarters, it has been reported.

According to local media, at a news conference early Friday morning, Dallas Sgt. Warren Mitchell said the officer was heading home after working a full shift when she walked into an apartment unit she believed was her own.

After entering the unit, she was confronted by a 26-year-old man, identified by the medical examiner’s office as Botham Shem Jean, reports said.

At some point, the officer fired her weapon, hitting him.

It is reported that Officers responded to the scene and began to treat the victim, who was transported to a hospital where he was later pronounced deceased.

The officer involved in the shooting was not hurt.

Police have said that she will be placed on administrative leave, pending the outcome of the investigation.

A distraught family member of the deceased told St Lucia Times that news of Jean’s death was ‘devastating’.

The family member said that Jean, who is the son of former Permanent Secretary, Alison Jean, was an employee of Pricewater House and lived in a gated community.

According to the relative, the police officer’s key was found in the lock of the door of the apartment belonging to the deceased, after she tried unsuccessfully to open it.

The family member expressed the view that the officer involved in the shooting, who lived in an apartment on another floor of the complex,  had to have been ‘drunk.’