Alison Becker talks about Gianni Versace's rise to fame as a top fashion designer before his murder.

Alison Becker talks about the murder of Gianni Versace, the hunt to find his killer and his lasting legacy.

Watch videos about the life and tragic death of rap icon Tupac Shakur.

Watch videos about Kim Jong-un.

Watch videos about O.J. Simpson.

Watch videos about Michelle Obama.

Watch videos about Robert Kennedy.

Watch videos about Elizabeth Smart.