It’s a stark and alarming trend: Mass shooters engraving bullet casings with cryptic messages, leading officials to speculate about their motives and, more recently, their political affiliations. It ...

Scrawled messages on bullet casings and weapons left behind have popped up at several high-profile shootings over the past year. The seemingly unusual practice is actually reminiscent of a ...

Bullet casings found near the bolt-action rifle that officials say was used to kill Charlie Kirk were engraved with messages suggesting the shooter was familiar with online video gaming, roleplaying ...

Researchers at Maynooth University have achieved a forensic milestone by revealing fingerprints on fired bullet casings using a safe electrochemical process. The method uses mild voltage and non-toxic ...