(UNDATED)(AP) - Natalie Wood's drowning death nearly 30 years ago came after a night of dinner, drinking and arguments but the question remains - was it anything more than a tragic accident?
Conflicting versions of what happened on the yacht shared by Wood, her actor-husband Robert Wagner and their friend, actor Christopher Walken, have contributed to the mystery of how the actress died on Thanksgiving weekend in 1981.
Two sheriff's detectives are now diving into the mysterious events on the yacht Splendour. They recently received new, seemingly credible information and heard from potential witnesses who weren't included in the original investigation of Wood's death, in a statement released Friday from Lt. John Corina.
But he said nothing has happened to changed the official view that Wood's death was originally an accidental drowning. Wagner, the star of "Hart and Hart" is not considered a suspect, he added. Corina released few details about who investigators have contacted or plan to re-interview, but the inquiry will certainly lead them to speak with the three survivors of the trip - Wagner, Walken and skipper Dennis Davern.
Wood's sister, Lana, was not on the boat, but told CNN's Piers Morgan on Friday that she has spoken with Davern many times and believes her sister did not fall off the boat.
The captain said on NBC's "Today" on Friday says Wagner is to blame for the Oscar-nominated actress' death in the chilly waters of Southern California in November 1981, but didn't offer many specifics. For years he has maintained that he heard the famous couple arguing on the boat before Wood went missing and Wagner refusing to immediately search the waters nearby for his wife.
Davern's account is dramatically different from what he told investigators after Wood's body was found in 1981, when no mention of an argument between the couple was made.
Wood was wearing a nightgown, wool socks and red down coat when she was found floating off Santa Catalina Island.
The renewed investigation comes at a time when plenty of attention was sure to be focused on Wood, whose beauty and acting in films such as "West Side Story" and "Rebel Without a Cause" made her Hollywood royalty.
Her death stunned the world and CBS' "48 Hours Mystery" has been looking into the case which airing on Saturday.
Sheriff's officials denied the renewed attention prompted their review, which could take months.
Davern and Wagner agree on one point about the fateful night - there was a heated argument on the yacht after the group returned from dinner on Catalina. All had been drinking, and here is where the three men's accounts begin to differ.
Davern said he heard Wagner and Wood arguing and that argument led to her death.
Wagner acknowledges a fight took place on the Splendour, but in his best-selling 2008 memoir "Pieces of My Heart," he wrote that the fighting was between him and Walken.
The disagreement began over the acting profession and led to Wood retreating to her cabin, while the dispute raged on between Wagner and Walken.
Later Walken went to bed, according to Wagner, who, after staying up with Davern for a while, went looking for his wife and couldn't find her on board. He then noticed that a dinghy attached to the boat -and his wife - was gone.
Walken, who has rarely spoken about the events that led to Wood's death, denied in a 1982 interview on "Good Morning America" that he and Wagner quarreled.
But Walken told sheriff's detectives that there was an argument, according to a 2000 Vanity Fair piece that included statements from a report by the investigating detective. It also included comments from Davern, who told the magazine that he heard Wagner and Wood fighting before she went missing.
The detective, Wagner and Walken and coroner's officials all have maintained that Wood's death was an accident, possibly caused by her trying to secure the dinghy to the side of the yacht.
Wagner said through a spokesman that his family trusts the sheriff's department to conduct a fair investigation into Wood's death.
The couple were married twice, first in 1957 before divorcing six years later. They remarried in 1972.
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