A judge said McDaniel waited too long to file a challenge to Sen. Cochran's win.
They say they'll file within 10 days but still failed to produce evidence of voter fraud.
Media call interrupted by apparent McDaniel supporters who asked racially charged questions.
The Tea Party candidate sounds a defiant note and doesn't concede to Sen. Thad Cochran.
Animosity and missteps have quickly returned ahead of the GOP Senate primary runoff.
The Tea Party has kept its aim on Sen. Thad Cochran (R) despite a scandal involving his wife.
The Tea Party-backed candidate says Mississippi can "lead a conservative revival."
After weeks of threats that he'd take legal recourse, the Senate loser files challenge.
She praised Thad Cochran's courting of black voters to win the Senate GOP runoff last week.
It’s been a week since Thad Cochran won the primary, but not if you ask Chris McDaniel.
The veteran senator orchestrated a stunning comeback over challenger Chris McDaniel.
Sen. Jerry Moran said the committee would ultimately back Chris McDaniel if he wins.
Cochran challenger charges timeline of events in video of senator's wife is "very clear."
In 2007 radio clip, McDaniel riffs on reparations for blacks and jokes about Spanish.