Escalator Investigator. Escalator Investigator Presents: Triple Sabotage at the U.N. Escalator Investigator Presents: Teleprompter Investigompter. Escalator Investigator Presents: Ineffective Acoustics Detective Sleuth-Fix. Late Show Presents: Meanwhile. Jeremy Strong discusses ‘The White House Effect and Springsteen: Deliver Me from Nowhere’. Carrie Preston discusses ‘Elsbeth’.