Oscar Grant was fatally shot by a BART police officer while allegedly resisting arrest.

Police were responding to reports of a fight on a crowded train when they detained Grant and several other passengers.  The incident, in which a police officer shot an unarmed Grant, was captured on digital footage and cell phone cameras. It was released to the media and has been watched by millions.

The next day brought protests. The officer involved in the shooting was later found guilty of involuntary manslaughter.

A recent study in the journal Emotion investigated the effect of anxiety on police officers’ shooting decisions (August, 2012). Here’s what they found.

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