Drones have recreational uses and aid in jobs such as aerial photography, shown here, but their potential for malicious uses has security experts working overtime. (Getty Images)

Earlier this month, two unmanned drones carrying four pounds of plastic explosives targeted Venezuelan President Nicolas Maduro and his party in an assassination attempt during an outdoor event. The military thwarted the attack, intercepting one of the drones; the other crashed into an apartment building two bl...

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