Murder on the Cosmic Express Investigation Phase

About Murder on the Cosmic Express, from BoardGameGeek:

You are the Captain aboard the Interplanetary Cosmic Express Cruise Line when it is discovered that the President of the Cosmic Express Lines has been murdered. The Captain must examine the evidence, interrogate the prime suspects, and figure out who the Murderer is! Murder on the Cosmic Express is a deduction and social deduction game that takes less than 5 minutes to play. -description from the publisher