California Tourist Stabbed at Macy’s NYC Changing Baby’s Diaper

Incident details

Investigators say the attack occurred about 3–3:15 p.m. on Dec. 11, 2025 as holiday shoppers filled Macy’s Herald Square flagship store in Midtown Manhattan. The woman was in a seventh-floor women’s restroom changing her infant daughter’s diaper when she was approached from behind and stabbed.

Reporting notes the timing coincided with a busy mid-December shopping rush and that the assault was described by police as unprovoked. (Sources: ABC News, KTVU, CBS Austin.)

Victim background and response

The wounded woman is a 39-year-old from Jurupa Valley, Riverside County, who works for the Los Angeles County Sheriff’s Department (LASD). LASD officials confirmed both she and her husband are LASD employees and said they were notified by NYPD; further investigative questions were directed to New York authorities.

The victim’s name has not been publicly released. LASD acknowledged the couple had traveled from the Los Angeles area and were visiting New York at the time. (Sources: ABC News, KTVU.)

Suspect identification, arrest and charges

NYPD identified the suspect as 43-year-old Kerri Aherne of Tewksbury, Massachusetts. Police described the assault as unprovoked with no prior contact between Aherne and the victim. The victim’s husband intervened, disarmed Aherne and held her until officers arrived.

Aherne was arraigned and is being held without bail on charges including attempted murder, two counts of assault, criminal possession of a weapon and endangering the welfare of a child. (Sources: ABC News, CBS Austin.)

Injuries, medical treatment and safety of the child

First responders found the mother with multiple stab wounds to her back and a laceration to her left arm. She was transported to Bellevue Hospital and listed in stable condition. Hospital officials have not released additional medical details. Authorities confirmed the infant was not injured in the attack. (Sources: KTVU, CBS Austin, ABC News.)

Suspect history and mental health questions

Manhattan District Attorney’s Office officials told reporters that Aherne had a prior arrest in Massachusetts for threatening to kill U.S. Sen. Elizabeth Warren and that reports indicate prior psychiatric hospitalizations. Authorities have not released medical records or detailed mental-health findings; the DA’s office and NYPD are expected to review Aherne’s background as part of pretrial proceedings. (Source: ABC News.)

Official statements and store reaction

The NYPD described the attack as unprovoked and said the investigation is ongoing. The Los Angeles County Sheriff’s Department confirmed its employees were involved and deferred investigative questions to New York authorities. Macy’s released a statement saying the company was

“deeply saddened”

by the incident and that customer and employee safety is a top priority, directing other inquiries to local law enforcement. (Sources: ABC News, local reporting.)

Legal steps and open questions

Aherne has been arraigned and is being held without bail on multiple counts, including attempted murder and child endangerment. Investigators have not disclosed a motive and say there was no prior contact between suspect and victim. It remains unclear whether authorities will pursue a mental-competency review or other pretrial defenses; prosecutors and defense counsel will provide further details as the case proceeds through arraignments and pretrial hearings. (Sources: ABC News, CBS Austin.)

Context and public-safety questions

The attack has raised questions about security in busy retail spaces, particularly during the holiday season when stores are crowded. New Yorkers and tourists frequent large department stores like Macy’s Herald Square, and the incident highlights concerns about restroom safety and the ability of stores to detect and prevent sudden violent acts. Officials have not announced whether Macy’s will change security protocols at the Herald Square location. (Sources: ABC News, KTVU.)

Implications for Fresno, California

Public-safety and travel concerns: The case may worry Fresno residents who travel for work or leisure; local travel advisors and agencies may remind residents about awareness, traveling with companions and knowing emergency numbers.

Impact on local law enforcement: With the victim and her husband employed by LASD, neighboring departments — including Fresno agencies — may review training on responding to public assaults and supporting staff who are victims while off duty.

Mental-health and homelessness policy debate: Reporting that the suspect had psychiatric issues and has been described as homeless could renew local debates in Fresno about funding for crisis intervention, mobile outreach and inpatient treatment options to reduce incidents tied to untreated mental illness.

Practical effects on families and retail behavior: Fresno parents may use family restrooms, shop with partners, or take extra precautions when out with infants; retailers and community organizations might increase safety communications and outreach.

Political and community response: Community leaders in Fresno may stress balanced solutions pairing stronger public-safety enforcement in crowded spaces with expanded mental-health services and homelessness supports to address root causes.

Sources and further reading

Reporting compiled from Times Media Service and cited outlets: ABC News, KTVU, CBS Austin.