AI Risk Wire

Cases › physical harm › LR-2026-0187

Waymo robotaxi strikes and kills cat KitKat in San Francisco

Whose AI: Waymophysical harm

Severity minor: The collision killed a cat, with no third party or human injury stated.

Happened 2025-10-27 · Earliest source we hold 2026-10-15, 353 days later

A Waymo robotaxi struck and killed a cat named KitKat in San Francisco's Mission District on October 27, 2025.

Risk grouping: Not yet classified

The AI's part Caused it
“The cat was struck by a Waymo robotaxi on October 27, 2025, and died later that night, sparking an outpouring of grief from locals who knew him as the 'mayor of 16th Street.'” source

No source we hold states: who caused it, intended or not, before or after release.

The story

1 · What it was doingA Waymo robotaxi was operating a driverless taxi service in San Francisco, picking up passengers, when it pulled away from a stop.
2 · What went wrongThe robotaxi pulled away and ran over a cat underneath it, killing the animal it should have detected and avoided.
3 · What it reached or didThe collision killed KitKat, a local cat, and later another Waymo struck a small dog, which suffered severe pelvic trauma and was put down.
4 · How it was caughtThe New York Times published surveillance footage in December showing the moments before the collision, raising questions about what the car could detect.
5 · What was doneWaymo initially claimed the cat darted underneath the vehicle; after the footage was published, questions were raised about detection.

No source states: {'q': 'entity', 'value': None, 'quote': None, 'url': None}, {'q': 'intent', 'value': None, 'quote': None, 'url': None}, {'q': 'timing', 'value': None, 'quote': None, 'url': None}.

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Waymo robotaxi maneuvers around stopped, unloading school bus in Atlanta 2026-10-15

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Show every field, with its source and grade

The AI system

Developer
Waymo
C one secondary source states it
Software around the model
Waymo robotaxi
C one secondary source states it
Stage of use
in live use
D inferred by us from the described behaviour, reason shown
Whose system
company that built the AI
D inferred by us from the described behaviour, reason shown
What it was for
autonomous taxi services
C one secondary source states it

What happened

When it happened
2025-10-27
C one secondary source states it
Earliest source we hold
2026-10-15
A the date the source itself carries
What went wrong
physical harm
C one secondary source states it
AI agent
an AI agent acted
C one secondary source states it

Impact

Severity
minor
D inferred by us from the described behaviour, reason shown
Kind of harm
bodily harm
C one secondary source states it
Who was affected
KitKat, a beloved cat who had become a fixture at Randa's Market in San Francisco's Mission District
C one secondary source states it
Why this severity
The collision killed a cat, with no third party or human injury stated.
D inferred by us from the described behaviour, reason shown

Context

Country
United States
D inferred by us from the described behaviour, reason shown

LR-2026-0187 · version 3 · published 2026-10-25 after automatic checks; not yet checked field by field by a person · changes to this case · JSON