From February 1986 to March 1992 Percival served in the
U.S. Army. While in the Army he worked as a material control accounting specialist for four years and as a military police officer for two years. He was assigned at
Fort Ord, California,
Fort Rucker, Alabama, and
Fuerth, Germany. In March 1992 he was
honorably discharged at the rank of sergeant. From 1994 to 2001, Percival worked as a
police officer. He held police officer positions in West Virginia and Alabama. In West Virginia he worked at Beckley Police Department, and in Alabama he worked at Baptist Health Police Department,
Auburn University at Montgomery, (A.U.M.) Police Department, and
Wetumpka Police Department. He also worked as a
bailiff at the City of
Montgomery Alabama Municipal Court.
USIS In 2001, Percival began working for
U.S. Investigations Services which was later renamed USIS. From 2001 to 2003, he was an
investigator conducting background investigations for the
United States Office of Personnel Management, (OPM). In 2003 he was promoted to district manager and managed investigators in the Fayetteville, North Carolina, area. In 2005, he was reassigned as a team leader for investigators in the Montgomery, Alabama, area. In 2007 he was promoted to district manager of the Minneapolis District. In January 2011 he was promoted to director of fieldwork services, Western Pennsylvania. He was fired from USIS in June 2011.
After USIS From September 2011 to October 2013, Percival worked for
CACI as an investigator conducting background investigations for the
United States Office of Personnel Management, (OPM). From April 2012 to August 2015 he worked as a magistrate at the City of
Montgomery Alabama’s Municipal Court. After his whistleblower case settled, Percival became a public speaker on the topics of morals and ethics. In April 2017, he became a member of the Washington, D.C.–based law firm ProtectUS Law, which specializes in whistleblower cases. Percival's book ''Holding on to Integrity and Paying the Price: A Whistleblower's Story'' was published January 6, 2020. ==See also==