Watch Series: Under Investigation Released in (2021) - Season 1 produced by AU, Au, The TV Series categorized in Crime, Talk Show, and content rating PG with duration 50 min broadcasted as these networks Nine Network, Streamed at Putlocker Under Investigation will seek to solve crimes, uncover new evidence, hear from people who have never spoken publicly, while harnessing great knowledge and skill with exciting and innovative storytelling techniques. - Season 1