Three experts.
Over 110 years.

Thirty-eight years in four uniforms: street cop, soldier, professor, investigator. More than 220 matters in 42 states and D.C. since 2014, with testimony that has not been excluded at trial in any state or federal court.

More than thirty-five years in public safety: twelve years and three terms as the elected Sheriff of Lewis County, Washington, and six years a commissioner of the state board that sets peace-officer training standards.

Forty years of investigative casework, from patrolman in St. Louis County to the FBI in Chicago, and on to task forces in Afghanistan and Liberia. His work on the Idaho student murders is examined in Broken Plea, the New York Times bestseller by Christopher Whitcomb.