Appears with William Petersen in The Skulls (2000). He is currently one of the stars of "CSI: NY" (2004), the spin-off of Petersen's series "CSI: Crime Scene Investigation" (2000).

Author of a book of advice for teens, Letters to a Young Brother: MANifest Your Destiny. The book won the American Library Association's 2007 prize for Best Book for Young Adults.

He and presidential candidate, U.S. Senator Barack Obama (D-IL), were classmates at Harvard Law School.

He graduated magna cum laude from Brown University with a Bachelor of Arts degree and graduated with a J.D. (cum laude) from Harvard Law School, as well as with a Masters in Public Administration from the Kennedy School of Government.

The 13th Annual Inner City Awards honored him with the W.E.B. DuBois Scholar Award.

Was a part of "The New Harmony Project" in the summer of 1997.