Scarface and other MCs who put excessive force by police on blast in videos.
Public Enemy MC airs out double standards.
The hip hop heavyweight discusses Public Enemy's newest work Man Plans God Laughs.
The veteran rapper talks hip hop's role in Baltimore uprising and Art of Rap Music Festival.
KRS-One, MC Lyte and creators of hip hop's call to stop the violence.
Director talks film possibilities during Q&A celebrating Grammy Museum exhibit on late rapper.