Martin Kaste

A new analysis commissioned by DARPA quantifies how the decentralized tech that runs the currency system could be compromised.

School police officers are trained in best practices for stopping an active shooter. The law requires it, and there's money to pay for it. And yet, that training seems to have failed in Uvalde, Texas.

School police officers are trained in the best practices for stopping an active shooter. The law requires it, and there's money to pay for it. And yet, that training seems to have failed in Uvalde.

Red Flag laws temporarily remove guns from owners who pose a danger to themselves or others. Several states have passed the laws in recent years, but research on their effectiveness is mixed.

Red Flag laws temporarily remove guns from owners who pose a danger to themselves or others. Several states have passed the laws in recent years, but research on their effectiveness is mixed.

President Biden has marked the second anniversary of the murder of George Floyd by signing an executive order. It will set up some of the police reforms that stalled in Congress.

The order will be signed Wednesday, the second anniversary of the murder of George Floyd while in police custody. But it only applies to federal law enforcement — not local forces

Efforts by states to to raise the minimum age for buying a long rifle have been challenged in court by gun rights activists.

The alleged Buffalo shooter, age 18, had no problems buying his semi-automatic rifle. Some states have tried to limit sales to those under 21. A new generation of conservative judges stand in the way.

The California state senate voted to allow people who aren't United States citizens to be police. Some more conservative voices say government authority should be embodied by citizens.

Homelessness and drug use became more visible on public transit during the pandemic, worrying commuters. Philadelphia is now pairing cops with social workers to help those in need.

Police hope to lower the city's raging homicide rate by focusing more resources on shootings that don't kill." We're modeling a lot of our things on what homicide does," says Lt. Dennis Rosenbaum.

A new study shows a massive increase in police seizures of fentanyl pills, confirming its dramatic takeover of illicit drug consumption in the U.S. The fake pills look safe but are often deadly.

A study by the National Institutes of Health said pills are the most common form of the drug, with a nearly 50-fold increase in law enforcement seizures.

Philadelphia last year broke its own records for homicides, so it's trying a new approach. It's focusing more on solving non-fatal shootings to try to bring down the murder rate.

Flush with money after the 2020 protests, community bail funds are releasing more people from jail. That's getting pushback from those who say they should be more careful about whom is bailed out.

Academics, activists and police chiefs have been clamoring for national statistics on police use of force. A federal effort to collect those numbers voluntarily from police is floundering.

No-knock warrants have been in steep decline since the height of the war on drugs, but the killing of a Black man in Minneapolis has raised questions about why police still insisted on the tactic.

Chicago was shaken by the shooting death of 8-year-old Melissa Ortega last Saturday. Nationally, the number of children shot has jumped during the pandemic.

The San Jose City Council has approved the nation's first law requiring gun owners to have liability insurance. City leaders hope it will reduce gun violence. Gun owners say they're being harassed.