[3] Harris began his career in broadcasting as radio disc jockey in his native Baltimore, Maryland on WSID-AM after dropping out of Towson State University.

[4] He spent 10 years at WJW as co-host of the magazine and as a general assignment news reporter before leaving to join "Entertainment Tonight" where he worked until 1990.

[2] In 1993, Harris left Cleveland to join the original reporting team behind the Fox Network's prime time newsmagazine Front Page.

The program, which aired on May 21, 2016, focused on an effort by anti-government groups and white supremacists to turn Montana's Flathead Valley, near Glacier National Park, into a whites-only refuge.

The format of the program featured Harris exploring how small towns in America dealt with instances of crime and violence.

[11] In January 2021, he began hosting a program called "The Proof is Out There" which aired Tuesdays at 10:00 p.m. Eastern Time on the History Channel.