On April 11, 2018, a Special Investigative Committee (SIC) of the Missouri House of Representatives released an initial 24-page report detailing allegations against Greitens by the hair stylist with whom he had had an affair.
[112] The stylist accused him of unwanted kissing and sexual touching, violently slapping and spanking her, coercing her into performing oral sex on him, and threatening to blackmail her.
[113][114] In a four-page report issued on April 30, 2018, the committee tasked with investigating the blackmail allegation supplemented its report. The SIC chair, Republican Representative Jay Barnes, said it found that the Greitens defense claims that the woman's testimony in a St. Louis interview was inconsistent with what she had told the committee were without foundation.
[103]
On May 3, the Missouri House and Senate collected enough signatures from members to call a special session to consider impeachment.
[115] House Speaker Todd Richardson, a Republican, said 29 senators and 138 House members, more than the three-fourths required in each chamber, supported convening a 30-day special session. It began on May 18, the last day of the regular session.
[9][116]
On May 29, 2018, Greitens announced that he would resign effective June 1.
[117] The St. Louis prosecutor's office had made a deal with Greitens that if he resigned, it would withdraw the felony charges for using the veterans' charity email list in his campaign.
[118]