[4][5] Bennett served in the United States Marine Corps and worked as the pastor of Lee Creek Assembly of God in Muldrow, Oklahoma.

In 2013, Bennett helped create the "counter-terrorism legislative caucus" and worked with Frank Gaffney and his Center for Security Policy (CSP) to try to "ban any foreign law that may limit Oklahomans' constitutional rights".

[3] Later that year in November, Bennett posted on his Facebook page a photograph of Hillary Clinton with a caption suggesting that she should be executed by firing squad.

The "terrorist" agency that he was referring to provides long-term care to individuals with intellectual disabilities, services to elderly Americans, as well as those who are living in poverty.

[16] After leaving office in 2019, Bennett joined former FBI agent John Guandolo's organization Understanding the Threat as its Vice President,[5] a part of the counter-jihad movement.

[19] Bennett also criticized another fellow Republican, U.S. Representative Stephanie Bice, for voting to create a January 6 commission to investigate the 2021 United States Capitol attack.

[19] After becoming chairman of the Oklahoma Republican Party, Bennett started declining to give interviews citing that "the media lacks intellectual honesty.

Bennett's candidacy for the 2nd congressional district was denounced by the Inter-Tribal Council of the Five Tribes (Cherokee, Choctaw, Chickasaw, Seminole, and Muscogee) in Oklahoma for his support of disestablishing their reservations.

Cherokee Nation chief Chuck Hoskin Jr. said "His anti-Indian views — calling for the destruction of our reservations — reflect a 19th century mindset.

"[23] During his campaign, Bennett called for US National Institute of Allergy and Infectious Diseases director Anthony Fauci to be executed by a firing squad.