|Louisiana State Senator |
| Assumed office|
|Louisiana House of Representatives, |
| In office|
January 2004 — May 2005
Shepherd was first elected to the Louisiana House of Representatives in 2003 and took office in early 2004 as the Representative for the 87th House District. He had received 60% of the vote.
In May 2005, Shepherd won a special election and became the State Senator for the 3rd District. He received 51% of the vote and succeeded Lambert Boissiere, Jr., who had won a seat on the Louisiana Public Service Commission. Shepherd was re-elected in 2007 with 61% of the vote.
In November 2006, Shepherd ran against incumbent Bill Jefferson in Louisiana's 2nd Congressional District. Jefferson, who was dogged by allegations of corruption, was facing a tough re-election fight. Shepherd finished third with 18% of the vote, behind Jefferson and Representative Karen Carter Peterson.
- Jackson elected to state House after Rep. Harris withdraws, Times-Picayune, New Orleans, September 14, 2007
- Shepherd: FBI sought dirt on Nagin, Jefferson, Carter, Times-Picayune, New Orleans, October 24, 2007
- State Senator Derrick Shepherd and Others Charged by Federal Grand Jury, Louisiana Crime Blog, April 10, 2008 (timed out)
- Senator indicted in fraud case, Times-Picayune, New Orleans, April 11, 2008