Which TV series, launched in 1990, opens with narration about "the police who investigate crime and the district attorneys who prosecute the offenders"?

Which rapper's 1990 album "Please ___ Don't Hurt 'Em" featured "U Can't Touch This"? In which 1990 film does Sean Connery play a Soviet captain who defects to the U.S. with his high-tech submarine? What was the title of Eddie Murphy's 1990 sequel to his 1982 hit "48 Hrs."? Which 1990 film follows the crew of a B-17 bomber on one final raid over Europe before they can go home? Which TV journalist published the 1990 memoir "A Life on the Road"? Pedro Almodóvar's 1990 film "Tie Me Up! Tie Me Down!" came from which country? Which 1990 film starring Patrick Swayze and Demi Moore had the tagline "You will believe"? Which words complete the title of the film "Henry: Portrait of a ___," loosely based on Henry Lee Lucas?