The scene where Sampson rushes in with a "habeas corpus" and the police release Webb when he was being arrested for the murder of his secretary is a complete misconstruing of the procedure. A writ of habeas corpus does not prevent anyone from being arrested. It is used to force a custodial or detention authority to prove that they are lawfully holding the arrested or confined person. A writ would be presented after the person is taken into custody and might possibly result in release if the authority can't produce credible evidence or suspicion to justify the person being held.
When the district attorney pompously announces, "Blood is blood!" and Pat O'Brien and Broderick Crawford ridicule him by saying in unison, "and West is West, and never the twain shall meet," they are alluding to a famous line in a poem by Rudyard Kipling.
This was one of two dozen Walter Wanger/Harry Sherman/Cinema Guild productions originally released by United Artists, re-released theatrically in 1948 by Masterpiece Productions, and ultimately sold by them for USA television syndication in 1950. It was first telecast in Los Angeles Sunday 4 June 1950 on KTLA (Channel 5), in New York City Saturday 24 June 1950 on WCBS (Channel 2), in Cincinnati Saturday 1 July 1950 on WKRC (Channel 11), in Chicago Monday 17 July 1950 on WENR (Channel 7), in Phoenix Sunday 20 August 1950 on KPHO (Channel 5), in Albuquerque Tuesday 22 August 1950 on KOB (Channel 4), in Atlanta Thursday 28 September 1950 on WSB (Channel 8), in Detroit Sunday 1 October 1950 on WXYZ (Channel 7), in Philadelphia Saturday 7 October 1950 on WFIL (Channel 6), in Boston Sunday 15 October 1950 on WNAC (Channel 7), in San Francisco Saturday 25 November 1950 on KGO (Channel 7), and in Pittsburgh Friday 22 December 1950 on WDTV (Channel 3).