WASHINGTON — The Secret Service, best known for protecting presidents and dignitaries, is leveraging its vast intelligence gathering, research capabilities and other tools to help prevent workplace violence.

A new report seen by NBC News from the Secret Service’s National Threat Assessment Center analyzed 50 cases of workplace violence over the past decade to seek common motivations, tactics and warning signs, including the shooting at the Capital Gazette in 2018 in Annapolis, Maryland, in which a gunman killed five employees. In the incidents under review, 119 were killed and 128 were injured. The report was born of the center’s examination of mass attacks, which found most of the targeted locations were businesses.

“Which is why we launched this initiative,” said Lina Alathari, who leads the threat assessment center . “To look at how can we prevent targeted workplace violence.…