‘The Vow’ brings jaw-dropping detail to the strange story of NXIVM

In one of the key moments of “The Vow” — a stunning expose of the self-improvement group NXIVM and its downfall — filmmaker and former member Mark Vicente tells others seeking to break free that he’s “recording everything.”In one of the key moments of “The Vow” — a stunning expose of the self-improvement group NXIVM and its downfall — filmmaker and former member Mark Vicente tells others seeking to break free that he’s “recording everything.”