Danley, who was overseas for more than two weeks, said she was initially pleased when Paddock wired her money in the Philippines to buy a house for her family.
Investigators are busy reconstructing Paddock's life, behavior and the people he encountered in the weeks leading up to the deadliest mass shooting in modern US history, FBI Deputy Director Andrew McCabe said.
The girlfriend of Stephen Paddock, the man who massacred almost 60 people attending a music festival in Las Vegas, has returned to the United States from the Philippines, according to media reports.
Danley was originally sought by officials early Monday morning in the immediate aftermath of Sunday night's shooting. According to government officials, re has been no evidence that 62-year-old woman had knowledge of paddock plans.
Marilou Danley was identified as a person of interest in the investigation by Clark County Sheriff Joe Lombardo, who hopes Danley can shed light as to why her boyfriend, 64-year-old Stephen Paddock, carried out the deadliest mass shooting in modern USA history.
Las Vegas police said they did not know Stephen Paddock's name before the shooting and they believe he acted alone.
As America mourned, President Donald Trump prepared to visit the desert city Wednesday. ABC News64 years old Suspected gunman Stephen Paddock was 64 years old when he went on his rampage Sunday before killing himself, according to authorities.
Paddock belonged to no known terror or political groups.
Danley entered the Philippines on September 15 and again on September 25, traveling on her Australian passport, said Maria Antoinette Mangrobang, spokeswoman for the Bureau of Immigration in the Philippines. One of the ex-wives lives in Southern California, where a large gathering of reporters congregated in her neighbourhood.
Paddock transferred $100,000 to the Philippines in the days before the shooting, the AP reported. Later, Lombardo said Danley is out of the country and that authorities would speak further with her when she returned to the U.S. Lombardo offered no other details on what led Paddock there.
He said investigators had recovered items and video from the hotel.
Police found at least 23 weapons inside his hotel room, including multiple rifles, some with scopes. The devices are legal under United States law, even though fully automatic weapons are for the most part banned.
Authorities told CBS News that he wasn't a military veteran.
In the hours since the horrific massacre, the shooter's brother revealed that their father Benjamin Hoskins Paddock, who went by the alias Patrick Benjamin Paddock, also had a violent criminal history.
Police didn't hold a media briefing Thursday.
But investigators had little to work with in trying to determine what set him off.
USA officials have reacted cautiously to a claim by the Islamic State jihadist group that the shooter had carried out Sunday night's massacre on its behalf. "That's the one in this one, and we are not there yet", FBI Deputy Director Andrew McCabe was quoted by The Associated Press as saying.
More than 500 others, including two on-duty officers, were injured. About 150 are still hospitalized, with about 50 in critical condition Wednesday night, hospital officials said. And while neighbors described Paddock as friendly, he wasn't close to them.
Paddock said he was a high roller and real estate speculator from Las Vegas. Eric Paddock described her as kindly and said she sometimes sent cookies to his mother.
- The death toll from Sunday's shooting has remained the same, 58 victims and the shooter, who took his own life.
The latter attack was previously the deadliest mass shooting in modern U.S. history.