How have courts interpreted the doctrine of concealment of evidence in a sexual assault case?

^10. On the latter points, the trial court instructed the jury with CALCRIM No. 371 that defendant's concealment of evidence "may show that she was aware of her guilt." (See CALCRIM No. 371; People v. Jackson (1996) 13 Cal.4th 1164, 1225 [approving predecessor to CALCRIM No. 371 (CALJIC No. 2.06)]; 413 ["In determining what inferences to draw from the evidence or facts in the case against a party, the trier of fact may consider, among other things, the party's . . . willful suppression of evidence . . . ."].)