Transcript for White House aide mocked 'dying' McCain, sources say

Well outrage is growing this morning after sources say an aide at the White House made a joke about John McCain. As a senator battles brain cancer saying McCain is dying anyway. It came on the same day that a retired general made a statement questioning McCain's war record. This morning Cindy McCain is hitting back at a White House aides saying. May I remind you my husband has a family seven children and five grandchildren. The tweet was directed at Kelly Sadler who sources say mocked Senator McCain in front of the dozen White House officials. The mockery coming after McCain voiced his opposition to the White House nominee for CIA director said the reportedly said. Doesn't matter. He's dying anyway the White House did not confirm or deny Sadler made the comment only responded with this statement we respect senator McCain's service our country. And he and his family are in our prayers during this difficult time CIA has learned some tough lessons from that experience McCain called on his fellow senators to reject Gina has bulls nomination. Because she reportedly oversaw CIA sites were detainees were subjected to Warner boarding. McCain was also condemned by a retired three star general on TV because of his opposition to pass ball. We have to use them to save a million American lives. We will do what ever we have to during an interview on Fox Business news. Thomas McInerney claim that torture worked on John McCain well she can't use it anymore because it's we have determined. The congress it is not legal effect is as John McCain it worked on job that's what it called songbird job. The fact is for those methods can work in their effective. But there's no evidence McCain actually help the enemy while being tortured and held captive in Vietnam for more than five years for the show's host has since apologized to McCain and his family. If I heard when he set the right way I would've pushed back. I didn't I blew it goes reprehensible comments do not reflect I fill or how this network fills about Senator McCain. And there's some encouraging news this morning from senator Lindsey Graham Graham tells CNN he was pleasantly surprised at McCain's condition during a recent visit. I am hopeful that he's getting stronger. And don't know bleed which read about John McCain we're not come about funerals I'm going back. And there are many who say the general's comments about McCain's war record are reminiscent of president trumps kind comments during the campaign. And there are some published reports that say the White House aide Kelly Sadler. Has now called McCain's daughter Megan to apologize.

This transcript has been automatically generated and may not be 100% accurate.