Homegrown Hate: The War Among Us” features the first television interview with Kelvin Pierce, son of neo-Nazi leader and author of “The Turner Diaries” William Luther Pierce, and the original, rarely heard audio recordings of McVeigh talking about his motives, planning and agenda. Kelvin opens up about being raised in a home steeped in hate and white supremacy and how he eventually came to renounce his father and his beliefs.