[Warning: The below contains Major spoilers for the NCIS Season 20 premiere “A Family Matter” and the NCIS: Hawai’i Season 2 premiere “Prisoners’ Dilemma.”] NCIS and NCIS: Hawai’i kick off their seasons with a crossover that sees both teams working together to take down the Raven, the Big Bad who nearly killed Palmer (Brian Dietzen) and Kasie (Diona Reasonover) and framed Parker (Gary Cole) for murder. But who is the Raven? And is the threat over by the end of the event? Plus, is there a new romance across the two shows? Read on for the highlights. Is Vivian Working for/the Raven? No. While Parker’s ex-wife Vivian (Teri Polo) may have been acting suspiciously at the end of the Season 19 premiere, it turns out that text was not to the Raven but to Sweeney (Erik Passoja), pretending she’d deliver him Parker but instead sending him on a wild goose chase. Instead, she brings in Fornell (Joe Spano...