After writing a damning document accusing Trump political appointees of failing to carry out life-saving humanitarian work, a senior official at the US Agency for International Development (USAID) was placed on leave.

"There is no doubt that the work of the Trump appointees will result in preventable death, destabilization, and threats to national security on a massive scale," the person warned.

USAID's acting administrator for global health, Nicholas Enrich, sent a memo outlining "obstacles" erected by "political leadership at USAID, the Department of State, and DOGE" that have hindered USAID's ability to implement exemptions for life-saving aid. US Secretary of State Marco Rubio has stated on numerous occasions that he granted these waivers in order to insulate the money from a broad moratorium on foreign aid that was implemented in late January.

In the February 28 memo obtained by CNN, Enrich stated, "The U.S. Government has failed to implement critical lifesaving activities as a result of these actions, both individually and collectively."

Enrich outlined in his scathing memo the kinds of activities affected by the current freeze and the steps taken by Trump administration officials between January 29 and February 28 that prevented the advancement of life-saving efforts.

The first authorized global health operations under the waiver are "emergency outbreak response activities needed to respond to the Ebola outbreak in Uganda."

Enrich said, "The implementing partners were never able to draw down funds for these life-saving activities, and have not received any funds to date, despite receiving approval to conduct these Ebola response activities approximately one month ago."

Elon Musk's assertion that Ebola prevention was "accidentally canceled" but "immediately" reinstated is directly refuted by the statement.

After releasing the memo, Enrich was placed on administrative leave, CNN was informed by two people with knowledge of the situation.

USAID and the State Department have been contacted by CNN for comment.

Refusing to pay for assistance that had been provided, preventing access to USAID payment systems, "the ever-changing guidance as to what qualifies as 'lifesaving' and whose approval is needed in making that decision, and most recently, the sweeping terminations of the most critical implementing mechanisms necessary for providing lifesaving services" were some of the actions that contributed to the agency's "failure" to implement the life-saving assistance waivers, according to Enrich.

Throughout the period under consideration, Enrich's memo also pointed out that "significant staffing changes occurred within" USAID's Global Health bureau, "including regularly affecting staff by terminating them without warning, turning on and off access to systems, placing and removing staff from administrative leave, etc. – severely limiting the ability to navigate and respond to the shifting guidance and bureaucratic hurdles outlined above."

Nearly a dozen officials told CNN that over 90% of USAID's foreign assistance grants were abruptly canceled last week, including for projects for which waivers had already been granted. A lawsuit has been filed against the Trump administration for not paying nearly $2 billion for services completed prior to the foreign assistance moratorium. The Supreme Court is currently considering that case.