vote against their own long-time senator but inside mississippi this gop primary race has become just about the nastiest in the country. a conservative blogger was arrested for breaking into this nursing home to photograph cochran s ailing wife, suffering from dementia. it s the worst. reporter: cochran s campaign points fingers at mcdaniel. posting video of senator thad cochran s wife in a nursing home? is that enough? our campaign had no connection to that whatsoever. you personally, when did you find out about the break-in? look, we re going to focus on his record right now. reporter: as for cochran, he argues his record is exactly why he should be re-elected, that his seniority in the senate is a plus for mississippi but 42-year-old mcdaniel says cochran s time has passed for mississippi and the gop. he believes in big spending. he believes in increasing taxes. he believes in increasing his own pay. i am not that guy. reporter: the tea party movement has a lot rid
photograph u.s. senator thad cochran s ailing wife suffering from dementia. it s the worst. reporter: in a new ad, cochran s campaign points fingers at his gop challenger, chris mcdaniel. posting video of senator chad cochran s wife in a nursing home, is that enough? reporter: and it gets even deeper in the mississippi mud. cochran supporters argue the reason the blogger took his wife s picture was to feed questions about cochran and longtime aide, kay weber, who s traveled extensively with the senator on the taxpayer dime. cochran s campaign calls it part of her job and suggestions of anything untoward sexist. this republican primary was supposed to be about the struggle of ideas within the gop. chris mcdaniels. reporter: a young tea party backed upstart challenging a fellow republican for being out of touch and too entrenched in washington after 36 years in the senate. dana bash. reporter: now chris mcdaniel is fending off questions about whether his campaign had
to sail to victory, be the tea party s best hope of bringing down an incumbent in the gop. but now his campaign is wrapped up in a downright bizarre scandal. dana bash is outfront with the story. reporter: a conservative blogger is in jail, arrested for breaking into this mississippi nursing home to photograph u.s. senatored that cochran s ailing wife, suffering from dementia. it s the worst. reporter: in gnaw ad, cochran s campaign points fingers at his gop challenger, chris mcdaniel. posting video of senatored that cochran s wife in a nursing home? had enough? reporter: and it gets even deeper in the mississippi mud. cochran supporters argue the reason the blogger took his wife s picture was to feed questions about cochrane and long-time aide kay webber, who has traveled extensively with the senator on the taxpayer dime. cochran calls it part of her job and suggestions of anything untoward sexist.