Rep. Vance McAllister, R-La. Tom Williams/CQ Roll Call/Getty Images

Rep. Vance McAllister, the congressman caught on video making out with a congressional staffer, announced today that he will not seek reelection this fall.

"The past few weeks have been a trying time for my family. As I've said before, there's no doubt I've made a mistake," McAllister wrote in a statement. "I've failed those I care most about and let down the people who elected me to represent them. I take full responsibility for this personal failure and I'm truly sorry for what I've done. I have taken this time to reconcile with my wife and kids and I'm forever grateful for their support and forgiveness."

The Louisiana Republican will not resign and intends to serve out his current term, which he won in a special election last fall to succeed Rep. Rodney Alexander.

"The people of the Fifth District of Louisiana need and deserve a voice in Washington," he wrote in the statement. "Today, I am announcing that I will not seek re-election, but I will continue to be that voice and will uphold the office to which I was elected to serve for the remainder of my term."

The incident, which was captured on surveillance video in his district office, occurred on Dec. 23, 2013, about a month after he took office.

McAllister has not voted since apologizing for his indiscretions after the video leaked April 7, but he could return to the Capitol as soon as today.

McAllister rode the endorsement of "Duck Dynasty" stars Phil and Willie Robertson to emerge from a jam-packed primary to win a special election in Louisiana's 5th Congressional district last fall. He had never been to Washington, D.C., before he traveled here to take the oath of office.

Duck Dynasty Star Sorry for Backing McAllister

McAllister first told The News-Star of his decision Monday morning.