Darryl 'DMC' McDaniels

Run-DMC DJ Jam Master Jay made a huge impact in music and his community. But friends and family still seek closure years after his unsolved murder.

A documentary special exploring the power of identity behind superheroes we know and love today.

It lit up jazz and hip-hop -- and ignited a war on drugs steeped in racial injustice. Experts explore America's complicated relationship with weed.