While every case is different, San Bruno incident patterns often involve the same kinds of “opportunity” problems—conditions that can make attacks more likely and harder to stop quickly.
Common scenarios include:
- Apartment and multi-unit access issues: malfunctioning entry controls, doors left unsecured, poor lighting around entrances, or inadequate monitoring of common areas.
- Parking lot and walkway incidents: inadequate illumination, poorly maintained pathways, or lack of supervision during evening hours.
- Retail and service business harm: limited staff presence, nonfunctional cameras, or delayed response after a threat was reported.
- Transit-adjacent and pedestrian-heavy locations: risk increases when people must move through dim or poorly controlled areas before/after commuting.
- After-incident “we had security” disputes: the defense claims cameras, alarms, or procedures existed—while the plaintiff alleges they were not maintained, not functioning, or not followed.
California premises cases often turn on what was foreseeable for that specific environment and what steps were reasonable for the property type and risk level.


