Former city police Det. Vaughn Maher took the stand in a wrongful-conviction trial Wednesday and insisted that he did not do anything wrong in his investigation of a 1990 double murder. He also said ...

The Globe’s Spotlight investigation exposes a systemic breakdown where prosecutors enable police misconduct rather than check it (“When police are allowed to police themselves,” Page A1, Jan. 2). When ...

are careful to avoid problems that can come with trusting known criminals. Informants are screened and strict guidelines are set, said law enforcement authorities. But the hands-on approach reaches ...

The nightly protests outside the U.S. Immigration and Customs Enforcement complex in South Portland draw a swirling mix of black- and costume-clad protesters, federal agents, police officers and – ...

Confidential informants have long been the grease that helps the criminal justice system keep churning. They make up the underbelly of the drug world, the “little fish” used by police and prosecutors ...