Police said the woman killed at Solitair Brickell was the mother of a resident who has since been charged.
MIAMI, Fla. — Residents of a luxury Brickell apartment tower awoke Friday to police tape, restricted elevator access and a homicide investigation after a woman was fatally stabbed inside the building, an episode authorities later described as an isolated domestic case rather than a continuing threat to the surrounding community.
The investigation at Solitair Brickell began around 4:45 a.m. and eventually led to the arrest of 36-year-old resident Stefano Cremasco-Cicero on a second-degree murder charge. Miami police said the woman who died was his mother, who was visiting from Mexico. Her name had not been publicly released as of Saturday morning, and investigators had not announced a motive.
Police found the woman with multiple stab wounds after officers went to an apartment on the 47th floor, according to authorities and an arrest report. Miami Fire Rescue pronounced her dead shortly after 5 a.m. Police detained Cremasco-Cicero as detectives began examining the apartment, lobby, elevators and surveillance system to reconstruct what happened.
Miami police initially sought to reassure people inside and around the building that investigators did not believe an attacker was at large. Police spokesperson Kenia Fallat said the circumstances indicated the episode was “definitely an isolated domestic-related incident.” Authorities had not yet publicly established the relationship between the detained man and the woman when the investigation began, but police later identified her as his mother.
The early-morning response disrupted normal activity inside the tower. Detectives temporarily restricted access to the building’s main elevators while they investigated and reviewed surveillance footage. Residents encountered officers and police tape as they tried to leave their apartments, with some taking the stairs from upper floors during the investigation.
Resident Zach Karson said he heard noise early in the morning and later encountered the police response outside his apartment. He said he returned inside, locked his doors and watched through the peephole before eventually walking down 47 floors. Other residents told local news organizations that the unexpected violence inside their building left them shaken and looking for more information about what had happened.
Police have not alleged that an unknown intruder entered the tower or that other residents were targeted. The arrest report instead describes investigators following the movements of Cremasco-Cicero and his mother inside the building. Surveillance footage and key-fob information were used as detectives reconstructed the hours leading to the discovery of the woman, police said.
According to investigators, footage showed Cremasco-Cicero and his mother together in an elevator before they returned to the building late Thursday. Police said video from early Friday later showed him with what appeared to be blood on his clothing and shoes and holding a knife. Detectives also obtained a warrant to search the apartment and collected several items for the homicide investigation.
Cremasco-Cicero told responding officers that he had been defending himself, according to the arrest report. Authorities have not publicly explained the basis for that claim or described evidence showing what occurred immediately before the stabbing. Police said the investigation remained active, and no motive had been established publicly.
The case shifted from an early-morning death investigation to a murder prosecution by Friday night, when police arrested Cremasco-Cicero on a second-degree murder charge. The charge remains an allegation and does not establish guilt. As of Saturday morning, he was being held at the Turner Guilford Knight Correctional Center with bond listed as to be set, while investigators continued working to determine the circumstances that led to his mother’s death.
Author note: Last updated September 5, 2026.