Collaborators Sounwave, Kamasi Washington and more take us behind the scenes on the making of Kendrick Lamar's Grammy-nominated 'GNX' ...

Robert Boyce, ABC News contributor, says while the FBI lost 20 hours on the first 48 hours since the shooting on a lead, there is still time to recover evidence.

Director Rob Reiner and his wife, Michele Singer, were found dead in their Los Angeles home on Sunday, according to the family, and the couple's son, Nick Reiner, is now in custody.