Former Obama aide: Trump 'exploiting the death of children' to undercut Russia probe

Former Obama aide: Trump 'exploiting the death of children' to undercut Russia probe
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A former Obama aide ripped President TrumpDonald John TrumpConway defends herself against Hatch Act allegations amid threat of subpoena How to defuse Gulf tensions and avoid war with Iran Trump says 'stubborn child' Fed 'blew it' by not cutting rates MORE for criticizing the FBI following the Florida high school shooting and for saying the bureau was spending too much time trying to prove Russian collusion with the Trump campaign.

"Exploiting the death of children to undercut the Mueller investigation. I am speechless," Tommy Vietor, who served as a spokesman for former President Obama's National Security Council, tweeted.

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Trump late Saturday tweeted about the shooting, saying it was not acceptable that the FBI missed "many signals" sent out by the alleged gunman.

"Very sad that the FBI missed all of the many signals sent out by the Florida school shooter. This is not acceptable. They are spending too much time trying to prove Russian collusion with the Trump campaign - there is no collusion. Get back to the basics and make us all proud!" he tweeted.

The FBI said Friday it failed to follow "protocols" when it received a tip earlier this year about 19-year-old Nikolas Cruz, who allegedly went on a rampage last week in Parkland, Fla.

A person close to Cruz called the FBI's public tipline and raised concerns about him in January, the bureau said.

But the FBI never reported the tip to its Miami field office or investigated the claim, it added.

Multiple lawmakers have called for Congress to act to prevent another tragedy following the shooting, in which 17 people were killed and 14 others wounded.