The six-part, second season of HBO’s documentary series “The Vow” continues to track the downfall of NXIVM, the purported self-help organization based in upstate New York. The new installment of the series follows the trial and sentencing of its leader, Keith Raniere, and features a first-time interview with NXIVM co-founder Nancy Salzman. Both are now serving prison sentences. On this episode of “NXIVM on Trial,” Times Union Editor Casey Seiler, reporter Robert Gavin and producer Jessica Marshall discuss the revelations made in the first episode, which premiered this week. Learn more about your ad choices. Visit megaphone.fm/adchoices