Winchester 's " Black Talon " product name was eventually used against them . After a high-profile mass shooting at a large law firm at 101 California Street , San Francisco in 1993 , media response against Winchester was swift . " This bullet kills you better " , says one report ; " its six razorlike claws unfold on impact , expanding to nearly three times the bullet 's diameter " . A concern was raised by the American College of Emergency Physicians that the sharp edges of the jacket could penetrate surgical gloves , increasing the risk of blood-borne infections being transmitted to medical personnel treating the gunshot wound . While plausible , there are no recorded cases of such an infection occurring in relation to the Black Talon bullets
101 California Street
101 California Street shooting
Hollow-point bullet