Robert Wagner’s Nightmare: Natalie Wood Probe Could Spark Grand Jury, Source Claims

The bombshell results of a new investigation could finally solve the Natalie Wood death mystery 35 years after her death, RadarOnline.com has learned – and may even result in a grand jury for Robert Wagner!

Wagner is "sunk and will finally pay for what he did," an insider told RadarOnline.com. "Justice has been perverted from the very beginning."

Now, however, there is said to be a "strong case file," compiled with the help of the Cold Case Investigative Research Institute (CCIRI).

Wagner, now 87, "put the coat on Natalie to make it appear she'd left the yacht," CCIRI boss Sheryl McCollum believes.

What's more, Wagner's alleged four-hour delay in calling for help — and refusal to turn on the vessel's searchlights — "is very troubling," she continued.

Meanwhile, Splendour's skipper, Dennis Davern, claims that Wagner had a fight with Wood in his stateroom and that the quarrel continued on the rear deck, near the dinghy.

Wagner was reportedly jealous over Wood's relationship with her hunky Brainstorm co-star Walken, who was also on the yacht that fatal night as they sailed off the coast of Catalina.

"Natalie was married to a jealous man, who ended up robbing her of life," claimed investigative journalist Marti Rulli, who worked with CCIRI. He believes "that she went kicking and screaming, fighting for her life!"

The official cause of Wood's death was initially ruled to be accidental drowning. In 2011, officials reopened the death probe, and the cause of death was changed in 2012 to "drowning and other undetermined factors" based on new evidence.