Rep. Mark Sanford, R-S.C., is suspicious of United Nations Ambassador Nikki Haley's exit from the Trump administration.

Soon after Haley and President Trump announced her resignation and official departure by the end of the year, Sanford reacted to the timing of the decision.

“Something doesn’t smell right, something’s weird. I can’t put my finger on it," Sanford said on MSNBC.

Sanford went on to say that one of Haley's deputies, Jon Lerner, used to be an adviser of his, and that Lerner might have gotten a sense of something in the air from "political winds."

Sanford speculated one of two possibilities: There might be "another shoe to drop from a Trump standpoint" or that something may have gone awry “given what she saw happen to [former Health and Human Services Secretary Tom] Price and what she saw happen to [former EPA Administrator Scott] Pruitt, maybe she just doesn’t want to risk the possibility of blemish or the possibility of being pushed out.”

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He was referring to a left-leaning watchdog group demanding on Monday that the State Department investigate private flights Haley accepted from South Carolina businessmen while serving in her current role.

Sanford served as governor of South Carolina from 2003 to 2011, and was succeeded by Haley.

During their meeting in the Oval Office on Tuesday, Trump said in televised remarks that Haley foreshadowed her exit about six months ago and that he wanted an on-air goodbye to dispel speculation about an adversarial ouster. Haley submitted her letter of resignation last week.