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Low reported severity

San Francisco: rider says a Waymo robotaxi stayed stopped and support declined to move it while two men attacked the car with the rider inside (9 May 2026)

At about 3:30 a.m. on 9 May 2026 a Waymo robotaxi with a rider in the front passenger seat was at a stoplight at Pierce and Lombard streets in San Francisco when a man grabbed its front bumper and the vehicle stopped. The rider told the San Francisco Chronicle and NBC Bay Area that two men then struck the windshield and windows and climbed onto the car while it stayed stationary. The rider says Waymo support staff on the car intercom declined to move it, saying it was obstructed, although the rider saw nothing blocking it, and remembers about 10 minutes before the men left. The Chronicle reports that the car's remote assistant had noticed the car was not moving and decided to call police. The Chronicle reports that officers arrived at 3:46 a.m. The police report, as described by both outlets, identifies Waymo as the victim of malicious mischief and the rider as a witness. Police officials say the rider told officers of no injury. The rider later felt pain behind an ear that the rider believes came from glass, and sought therapy. Waymo spokespeople did not comment on the account in the reporting, and Waymo told the rider in an email that it was unable to access any footage without proper legal justification. The account is the rider's as reported by the Chronicle (16 July 2026) and NBC Bay Area (16 July 2026). The police report was not inspected and is known only through the outlets' descriptions.

AI system
Waymo Driver
Waymo
Occurred
9 May 2026
Reported
16 July 2026
Event location
United States
What the AI did
Acted on the person’s behalf
Reported harm
Psychological Distress
Whose AI use
Their own AI use
Setting
Everyday life
Evidence
AI involvement reported · Causal attribution alleged · 3 sources, 2 underlying accounts
6 claims: 6 reported. 7 open questions
People reported harmed
At least 1 person

AI system as recorded: Waymo driverless robotaxi (autonomous vehicle), with remote support staff reachable through the car intercom

Reported harm

The rider told the Chronicle and NBC Bay Area that the rider feared being killed while the car was attacked and stayed stationary. The Chronicle reports that the rider later felt pain behind an ear that the rider thought came from glass and sought therapy. Police officials say the rider told officers at the scene that the rider was not injured. No medical or therapy record was inspected.

What remains unknown

  • No Waymo vehicle log, footage or statement on the specific account was inspected. Waymo spokespeople were not available to the Chronicle and did not comment on the specific allegations to NBC Bay Area.
  • Whether the robotaxi stopped because of the bumper grab or because it was at a stoplight is not settled in the sources. The Chronicle writes that the grab caused it to stop, and also that it pulled up to a stoplight.
  • The Chronicle takes 3:46 a.m. as the time officers arrived from the police report, and the rider told NBC Bay Area that police arrived about 35 minutes after the 911 call. The two accounts are not reconciled.
  • NBC Bay Area reports that the San Francisco Police Department said it generally does not release video and is not the custodian of the recording, and that according to the narrative in the police report an officer requested the footage the night of the incident. The Chronicle quotes a police captain saying the department cannot issue a search warrant on behalf of Waymo. The two accounts are not reconciled.
  • Whether the rider was injured is unsettled: the rider told officers of no injury and later described pain behind an ear and a possible small cut. No medical record was inspected.
  • The two attackers are not identified and no arrest is reported in the inspected sources.
  • The police report was not inspected and is described only by the Chronicle and NBC Bay Area. The Chronicle body was read from a Wayback capture (26 September 2026) because the direct page returned a client-challenge stub. The capture is a revised version: an earlier syndicated copy (Yahoo, 17 July 2026) lacks the police officials' statement about the rider's injury and captions the photo 'refused to move', whereas the capture says 'remained stationary'. The record uses the revised text.

What the evidence supports

AI involvement: reported. The rider says the autonomous vehicle stopped when a man grabbed its bumper and stayed stationary for the rest of the attack, and that Waymo support staff declined to move it. The Chronicle states the vehicle stopped and remained stationary in its own voice, while the account of the attack and of the support replies comes from the rider. The vehicle was carrying the rider on a ride. No Waymo vehicle data or footage was inspected. The support responders are described as staff members and no source says software generated their replies.

6 claims: 6 reported. What the statuses mean

Reported At about 3:30 a.m. on 9 May 2026 a Waymo robotaxi with a rider in the front passenger seat was at a stoplight at Pierce and Lombard streets in San Francisco when a man grabbed its front bumper and the vehicle stopped. The rider says two men then struck the windshield and windows and climbed onto the car.

Causal attribution. The account is the rider's, told to the Chronicle and to NBC Bay Area, and the police report as described by both outlets records the rider's account. The attackers are the direct cause of the vandalism. No vehicle data or footage was inspected.

Reported The rider says the robotaxi stayed stationary during an attack that the rider remembers as about 10 minutes, and that a Waymo rider cannot honk the horn or flash the lights to get help.

Causal attribution. Single-source account (the rider). The Chronicle states the stationary vehicle in its own voice and a photo caption. No vehicle logs were inspected and Waymo has not described what the driving system did.

Reported Waymo support staff who spoke to the rider through the car intercom declined the rider's request to move the car, saying it was obstructed. The rider says nothing was blocking the car. The Chronicle reports that the car's remote assistant had noticed the car was not moving and decided to call police.

Causal attribution. Both outlets take this from the rider. The sources call the responders "support team members" and a "remote assistant" and do not say whether any reply was generated by software. Waymo has not responded to the specific account in the inspected sources.

Reported The rider says the rider feared being killed, sought therapy afterward, and later noticed pain behind an ear that the rider believes came from glass. Police officials say the rider told officers at the scene that the rider was not injured. Waymo customer support later referred the rider to an insurance carrier for medical and mental health care.

Causal attribution. The rider's own account. The Chronicle describes the injury as something the rider believed to be a small laceration, and the rider told officers of no injury. No medical or therapy record was inspected. The attackers struck the windshield and windows, and NBC Bay Area's description of the police report says a window was broken.

Reported The San Francisco Police Department report, as described by the Chronicle and NBC Bay Area, identifies Waymo as the victim of malicious mischief and the rider as a witness. Officers reached the intersection at 3:46 a.m., found the damaged robotaxi and interviewed the rider.

Causal attribution. Both outlets describe the report and neither publishes it. The report was not inspected. The rider recalls police arriving about 35 minutes after the rider called 911 (NBC Bay Area), which differs from the 3:46 a.m. time the Chronicle takes from the report.

Reported The rider asked Waymo and the police for the vehicle's video and had not received it as of mid-July 2026. Waymo told the rider it could not access footage without legal justification, and police said they could not seek a warrant on Waymo's behalf.

Causal attribution. Company and police statements as quoted from emails to the rider. Whether footage exists in usable form was not established.

Sources

3 sources inspected, from 2 underlying accounts. Sources that repeat one account do not corroborate each other.

How the sources were read, and where the events happened

Event countries: United States. Affected-person countries: United States. Court countries: Unknown.

The Chronicle and NBC Bay Area place the event at Pierce and Lombard streets in San Francisco, and SFist describes the rider as a San Francisco resident. No court proceeding is reported.

Reviewed for publication 2026-09-29: The San Francisco Chronicle article (full text read from a Wayback capture) and NBC Bay Area (independent interview and its own description of the police report) report the rider's account, and SFist rewrites the Chronicle. Every claim is the rider's statement, a description of a police report that was not inspected, or a company or police statement quoted by the outlets, so all claims stay at reported status. The direct harm is from the attackers, and the case is published for the reported behaviour of the stopped autonomous vehicle and of Waymo support toward the rider. The rider spoke to both outlets and is not named here.

People reported harmed in this case

At least 1 person

1 AI participant · 0 other people harmed

One rider reports fear, pain behind an ear and therapy. The sources do not say whether anyone else was in the vehicle, and no other person is reported harmed. The two men who attacked the vehicle are not counted as harmed.

Counted once within this case. The same person may appear in other cases. This count does not establish AI causation.

Cite this case

Compiled per our published methodology: verification statuses, sourcing standards, and corrections process.

APA

NOPE. (2026). San Francisco: rider says a Waymo robotaxi stayed stopped and support declined to move it while two men attacked the car with the rider inside (9 May 2026). AI incidents. https://nope.net/incidents/2026-san-francisco-waymo-robotaxi-stopped-during-attack-with-rider-inside

BibTeX

@misc{2026_san_francisco_waymo_robotaxi_stopped_during_attack_with_rider_inside,
  title = {San Francisco: rider says a Waymo robotaxi stayed stopped and support declined to move it while two men attacked the car with the rider inside (9 May 2026)},
  author = {NOPE},
  year = {2026},
  howpublished = {AI incidents},
  url = {https://nope.net/incidents/2026-san-francisco-waymo-robotaxi-stopped-during-attack-with-rider-inside}
}

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