get the facts straight

get (one's)/the facts straight

To know and understand the facts of a situation, or to present them in an accurate way. You better get your facts straight before you accuse her of anything. Then he needs to get his facts straight because I never said that! I'm not sure they got the facts straight for this story.
See also: fact, get, straight
Farlex Dictionary of Idioms.

get the facts straight

 and have the facts straight
Fig. to have an understanding of the real facts. Ask a lot of questions and get all of your facts straight. Please be sure you have the facts straight before you make a decision.
See also: fact, get, straight
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • get (one's)/the facts straight
  • facts are stubborn things
  • have (one's)/the facts straight
  • get down to the facts
  • hot skinny
  • know what’s what
  • know what's what
  • know what's what, to
  • if truth be told
  • facts on the ground