bring something to light
US /brɪŋ ˈsʌm.θɪŋ tuː laɪt/
UK /brɪŋ ˈsʌm.θɪŋ tuː laɪt/

1.
to reveal something previously unknown or secret
:
•
The investigation helped to bring to light new evidence.
•
Her research managed to bring to light some forgotten historical facts.