Martin Kaste Martin Kaste is a correspondent on NPR's National desk.

Gun Violence Protective Orders See Renewed Interest After Florida Shooting

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Honolulu attorney Michael Green, right, sits with his client, the former Hawaii Emergency Management Agency employee who sent a false missile alert to residents and visitors in Hawaii, left, during an interview with reporters on Feb. 2, 2018 in Honolulu. The ex-state employee says he's devastated about causing panic, but he believed it was a real attack at the time. Jennifer Sinco Kelleher/AP hide caption

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Jennifer Sinco Kelleher/AP

Who Should Warn The Public Of Nuclear War?

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In an effort to curb gun violence, Seattle police are now following up in person on court orders requiring people to surrender guns. Emily Fennick / EyeEm/Getty Images/EyeEm hide caption

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Emily Fennick / EyeEm/Getty Images/EyeEm

What It Takes To Get Guns Out Of The Wrong Hands

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In Practice, Police Accountability Is Not The Main Function Of Body Cameras

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A Hawaii Civil Defense Warning Device, which sounds an alert siren during natural disasters, is shown in Honolulu on Nov. 29, 2017. The alert system is tested monthly, but now Hawaii residents will hear a new tone designed to alert people of an impending nuclear attack by North Korea. Caleb Jones/AP hide caption

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Caleb Jones/AP

Nuclear Strike Drills Faded Away In The 1980s. It May Be Time To Dust Them Off

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Weighing Doubts About How Drug-Sniffing Dogs Are Used

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Law Enforcement's Limits To Stopping Shooters

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Gory police dog arrests are now viewable up close on body cameras, dashcams and other video. Police Body Camera/City of San Diego Police Department hide caption

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Police Body Camera/City of San Diego Police Department

Videos Reveal A Close, Gory View Of Police Dog Bites

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Officer Darrell Lobe of the Bothell, Wash. police department "proofs" a hidden-drugs test at the start of a K9 certification. The location of drugs in the vehicles was determined by rolling a die to prevent bias. Martin Kaste/NPR hide caption

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Eliminating Police Bias When Handling Drug-Sniffing Dogs

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Det. Anthony Mannuzza (left) and police officer Robert Martin of the New York Police Department simulate a street stop during a training session. Colleen Long/AP hide caption

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Colleen Long/AP

How The Texas Church Shooter Was Able To Purchase A Gun

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Police Still Investigating Background Of Driver In NYC Terror Attack

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Police gather at the scene of Tuesday's attack in New York City. Andy Kiss/Getty Images hide caption

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"Pedestrian hit"

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Memorials for murder victims have become common sights in some parts of Baltimore. Martin Kaste/NPR hide caption

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Baltimore Police Overhaul Challenged By Murder Crisis

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