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Deep Dive Docs

A River Below Probes Murky Waters

An underseen doc explores the truth behind a bloody environmental action.

The two subjects of Mark Grieco’s 2017 doc A River Below can agree on the problem: illegal fishing has endangered the pink river dolphin. That’s where their common ground ends for conservationists Fernando Trujillo, a Columbian marine biologist, and Richard Rasmussen, a Crocodile Hunter-style wildlife television host.

The long-probiscused dolphin, known in Brazil as “boto” and sacred to populations in South American, has been poached by local fishermen and cut up as an effective commercial fishing bait. Legislation to protect the pink river dolphin had crawled – until a Sunday night newsmagazine showed Brazilians graphic footage of one of the creatures getting hunted and slaughtered. This prompted immediate legislative action – but something, ahem, fishy occurred to bring about this collective call to action.

The movie contrasts Trujillo and Rasmussen against each other as avatars of two philosophies of social change – and at the center is the mystery of the bloody dolphin death witnessed by millions of television viewers.

A River Below (2017)

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Trujillo is an even-tempered man of science. He’s the world’s leading expert on the pink river dolphin, devoting years to study of the dolphins and building a research station. He counts the declining population of the dolphins. Rasmussen is a made-for-TV personality who handles animals on camera for his viewers and insists television is the route to making enough people care about wildlife populations to take action to save them. He’s introduced posing for pictures with fans and fawning over river animals of several varieties, including the botos.

The contrast between the personalities is apparent from the start, but a larger conflict looms as questions arise about Rasmussen’s involvement in the documentation of the dolphin slaughter. As he investigates questions about how this footage came to be, Grieco and his crew visit a nearby fishing community where they’re greeted with hostility and a legion of phone cameras pointed back at them. The fishermen of the community wish they’d had their own cameras ready when the last camera crew visited, a crew that goaded them into a heinous act for the cameras with promises that the footage would never get seen by the public.

The most memorable scenes pit Grieco against an increasingly defensive Rasmussen, a man whose love for nature is rivaled only by love of his celebrity status. “I am the anti-hero. I’m the one you don’t want, but you need,” he says dramatically about his decision to get the footage aired. But Rasmussen has trouble coming clean, as the filmmakers uncover more about his role in the dolphin snuff film. His unceasing showman’s personality clouds the question at the center of his decisions: if the killing of one dolphin potentially saves thousands of others, isn’t it worth it?

The documentary aims to boost the work of men like Trujillo whose unflashy work aims to convince the public through reason and rigor. But the film can’t help but get hijacked by a man who demands a camera’s attention as thoroughly as Rasmussen, whether he’s pushing back on off-camera questions or making his case in between selfies with fans. Much as our sympathies lie with the traditional environmentalists, it’s impossible not to get caught up in watching Rasmussen navigate a documentary outside his control. And it’s another knot in the very tangled net – in the end, the vain Rasmussen can claim to have (at least temporarily) stopped the killing of the dolphins by harnessing the power of the camera to shape public opinion. Trujillo publishes his unpopular research to back up his conclusions about the high levels of mercury in the food provided by the fishing industry. For his efforts he has to hire a bodyguard and wear a bulletproof vest in public.

A River Below uncovers a story with so many competing problems – environmentalism vs commerce, tradition vs pragmatism, logic vs populism – the simple desire to save innocent, beloved dolphins seems like a herculean task. Yet the movie’s biggest competition is between the damages of immediate action versus the frustration of the daily grind seeking long-term results. “Stop talking, do something,” declares Rasmussen after mimicking ineffective environmental sloganeers. If the right way of doing things isn’t rewarded, does that change what methods are right?