The purpose of this was to maintain the focus of their attention, just as Conley was focused on the suspect he was chasing to make sure he didn't pull a gun or throw something away.

目的是为了保证受试者集中注意力，就象康利专注于自己追捕的疑犯以确保他不会拔枪或扔掉什么东西一样。

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But the mounting deaths and associated trauma from mass shootings should motivate us to take action to make needed reforms to our gun laws, focus law enforcement resources on combating illegal gun possession and invest in prevention initiatives proven to reduce gun violence.

CNN: Mass murder and powerful firearms

In an instant, these GOP wizards have taken the onus off Senate Democrats and made Republicans the media's gun-control focus.

WSJ: Review & Outlook: The GOP's Gun Control Misfire

In short, gun manufacturers need a broader focus, more nonlethal products, and new messages that demonstrate leadership and responsibility in the gun debate.

FORBES: The Gun Industry Needs to Reinvent Itself Before It's Too Late