A 21-year-old man is charged with murder after authorities say he beat his girlfriend’s 2-year-old daughter and left her in a South Philadelphia basement, where she was found unresponsive on Dec. 8. Prosecutors identified the victim as Key’Monnie Bean and the defendant as Sean Hernandez, who investigators say also uses the name Raafi Gorham.
The case, announced this week by the Philadelphia District Attorney’s Office, has moved quickly, with two additional arrests tied to the same address. Officials said Hernandez is charged with murder and related counts, while the child’s mother, 20-year-old Alycia McNeill, and 21-year-old Anthony Lowrie face charges that include endangering the welfare of children and related offenses. Detectives are piecing together surveillance, phone records and interviews to establish a minute-by-minute timeline inside the South Beechwood Street home. The medical examiner cited blunt-force injuries in the toddler’s death; prosecutors said signs of suffocation were also present.
Police said officers responded to the 2100 block of South Beechwood Street shortly after 8:30 p.m. on Dec. 8 for a report of an unresponsive child. In the basement, officers found Key’Monnie and began CPR before medics transported her to Children’s Hospital of Philadelphia, where she was pronounced dead at 9:42 p.m. Investigators later obtained statements indicating the child had been beaten earlier that day. “People in that house watched all of this happen,” a prosecutor said during a briefing, summarizing accounts that allege the violence continued in view of other adults. Detectives collected clothing, bedding and basement items for lab testing and photographed injuries they said were consistent with prolonged assault.
Hernandez was arrested and booked on counts of murder, possession of an instrument of crime and reckless endangerment. Prosecutors said McNeill and Lowrie were taken into custody on separate charges after interviews and a review of what each person did before, during and after the beating. Officials did not immediately release a full charging document detailing the number of blows described by witnesses, the exact time of the alleged suffocation, or the weapon type, if any. The basement area where the girl was found showed signs of recent disturbance, according to a police summary, but investigators declined to discuss specific bloodstain or pattern analysis pending court filings.
The brick rowhouse sits on a narrow South Philadelphia block lined with older homes and angled parking. Neighbors told officers they saw police and fire units arrive within minutes and watched as crime-scene tape went up across the stoop. Several residents said they had noticed children coming and going from the address in recent months but had not reported any disturbances. As technicians worked into the night, they marked a set of steps leading down to the basement and removed several bags of evidence. The street remained closed to traffic for hours while detectives canvassed for doorbell footage.
Records prepared by the medical examiner list Key’Monnie’s age as 2 and note injuries that prosecutors say were caused by blunt force. Authorities have not publicly released the death certificate, citing the ongoing case. Investigators said no other children were taken from the home that night, and they did not announce any prior calls to the address involving child-welfare checks. Officials also declined to say who first dialed 911, how long the child was in the basement before help arrived, or whether anyone attempted to move her upstairs before police entered.
Philadelphia has seen several high-profile child-abuse prosecutions in recent years, cases that typically hinge on forensic findings, caregiver statements and digital evidence. In this investigation, detectives are comparing timestamps from cellphones, internal messages among the adults and any saved video clips. The District Attorney’s Office said it would seek to admit prior statements from people who were in the house if those witnesses later refuse to testify. Prosecutors also emphasized that homicide charges in child-abuse deaths can proceed even without a traditional weapon, based on medical and circumstantial proof of repeated blows and airway obstruction.
Court officials said Hernandez’s first appearance will be followed by a preliminary hearing at which prosecutors must show enough evidence to hold the case for trial. As of Saturday, a date listed in court records for that hearing was in early January. Bail was not set on the murder charge. McNeill and Lowrie were processed on separate counts; their hearings will be scheduled on a similar timeline. Additional filings will include the autopsy report, lab results on clothing and bedding, and a fuller affidavit describing what each defendant allegedly did inside the residence before the 911 call.
Outside the Beechwood Street address, a small memorial of stuffed animals and candles formed near the stoop by midweek. A passerby paused to straighten a toy as investigators carried boxes from the basement door. One neighbor, who gave only a first name, said she woke to the sound of sirens and later learned the victim’s age. “It breaks your heart,” she said. A patrol car idled at the curb while technicians finished measurements on the basement stairs and entryway, placing numbered markers along the path investigators say the child was carried.
By the weekend, the arrests had been announced and evidence was still being processed. The next milestones are the preliminary hearings and the public release of key filings that lay out the prosecution’s narrative, including any statements from the adults who were inside the house. Officials said further updates would be provided through court records once lab analyses and the medical examiner’s final report are complete.
Author note: Last updated December 21, 2025.