A DEA statement said Daniel Chong, 23, was "accidentally left" in a holding cell.
The Combating Terrorism Center releases documents from Pakistan raid.
The campaigns had refused to discuss details of the get together and were trying to keep the location secret. They have planned no press coverage of the meeting.
Though he was attempting to mock the new motto, "Forward," which Team Obama rolled out in a video released Monday, Romney initially tripped up in trying to remember the word.
Romney and Obama were basically tied - 44% to 43% - in Florida, where Obama had a seven point advantage over Romney in the March 28 survey.
A data-filled memo alleges the budget cuts, tax reform and social policy Romney supports will disproportionately hurt middle- and low-income women.
It concerned fight between her father and late mother.
President Barack Obama's re-election campaign has increased its campaign fundraising efforts of late, particularly in battleground states, as the general election gets underway, with trips and events hosted by the president, first lady and vice president.
While President Obama has replaced his 2008 slogan with "Forward" for his re-election bid, Republicans are using a variation of the old slogan to attack the president.
The Romney campaign confirmed Grenell's departure on Tuesday.
Wednesday's tragic case in Oceanside, California is being investigated as a suicide. "I pray to God, 'Take me; take me; leave my son,' but it's too late," Seau's mother cries as she hears the news.
Federal agents say the operation uncovered $450 million in false billings. At least 91 of the defendants in the case have been taken into custody.