Martin Kaste

Local police often don't feel equipped to investigate cybercrime. The NYPD is trying to teach patrol officers to ask the right questions about IP addresses, Bitcoin and phone spoofing.

New York's criminal justice overhaul takes effect Wednesday, limiting cash bail and forcing district attorneys to share evidence earlier. Police and prosecutors worry the system will favor defendants.

NPR correspondent Martin Kaste reflects on his reporting on law enforcement over the last decade.

New York City has stricter gun laws than most other American cities — and lower rates of gun violence. But legal challenges could force the city to loosen its gun control. Will a rise in crime follow?

Amazon's Ring doorbell cameras are popular — as is the Neighbors social platform. But are we ready for a society in which everyone shares videos of "suspicious people" with the internet — and police?

Cybercrime is ballooning as scammers learn to research their victims and fine-tune their psychological tricks.

Cybercriminals have learned to refine the language they use in scams, making scams harder to detect and more likely to fool potential victims.

Security experts say our growing reliance on cell phones to help confirm our identity online is motivating "SIM-swap" scams to highjack our numbers.

People have come to rely on cellphones to help confirm their identities online. Security experts say that's motivating scammers to try to hijack people's phone numbers.

The fatal shooting of Atatiana Jefferson in her home has renewed questions about why some police officers seem too quick to shoot, and why the issues continue, despite efforts to improve training.

When President Trump fired the U.S. ambassador to Ukraine this past spring, it was at the urging of conservative media. We reconstruct how and why she was called home.

Calls for a mandatory buyback of semi-automatic rifles during the Democratic presidential debate wasn't embraced by all candidates. It also raises questions about just how feasible such a move would be.

The federal government on Tuesday released the annual National Crime Victimization Survey. The 2018 data show a big jump in reports of sexual assault and rape.

The Supreme Court says police need a warrant before tracking people with GPS — but that rule isn't being followed at the border. Privacy activists are suing the government to find out the extent.

President Trump visits El Paso, Texas, Wednesday to offer sympathy after 22 people were killed at a Walmart on Saturday. Local officials and others have asked the president not to come.

The future of Internet forum 8chan is in doubt after the El Paso shooter allegedly posted anti-immigrant manifesto there. It's the latest in a bitter debate over who gets to police free speech.

Authorities in El Paso, Texas, say the death toll from Saturday's shooting increased to 22. Investigators there are trying to understand what happened.

Two shootings hours apart in Dayton, Ohio and El Paso, Texas left 29 people dead and dozens injured.

An alleged hacker has been charged in connection with the breach. Authorities in Seattle say she is alleged to have hacked credit scores, balances, income information and social security numbers.

A new peer-reviewed study of fatal police shootings says that white officers are not more likely to shoot and kill minority suspects. Critics contend it doesn't address racial disparities by police.