More than a decade ago, a frenzied five-day search for the Boston Marathon bombers left some lessons in its aftermath.

When you unlock a phone, step into view of a security camera or drive past a license plate reader at night, beams of infrared light - invisible to the naked eye — shine onto the unique contours of ...

Providence residents went days without knowing who the gunman behind the Brown shooting was, or whether he was still among ...

The Lancaster County District Attorney's office said footage from Lancaster Safety Coalition cameras and surveillance inside ...

Investigators are calling for videos of a possible acid attacker in Forsyth Park in Savannah from earlier this month.

The DOJ has vowed to prosecute people accused of assaulting federal officers during protests of Trump’s immigration policies.

The Chicago clip was quickly flagged online and reposted by outlets including The Nerd Stash. State officials say they want ...

Nepal is just one of at least 150 countries to which Chinese companies are supplying surveillance technology, from cameras in ...

A video analysis of one early morning raid in Los Angeles revealed the vast web of consequences brought by new aggressive ...

An autopsy determined that the man suspected in last weekend’s attack at Brown University and the fatal shooting of a Massachusetts Institute of Technology professor days later had been dead for two ...

Rodney Chatman is under renewed scrutiny after Claudio Neves Valente killed two students and injured nine more in a school massacre that saw no campus security officials confront the suspect.