An FBI poster circulating online says Benjamin was "diagnosed as psychopathic, has carried firearms in commission of bank robberies" and "reportedly has suicidal tendencies and should be considered armed and very unsafe".
Aviation websites showed the Philippine Airlines flight that Mangrobang said Danley had taken landed in the United States on Wednesday morning Philippine time, but Tuesday evening in Los Angeles.
After first appearing to dismiss the possibility of her involvement in any way, officials have now made it clear that she remains part of the investigation, especially after the discovery of weapons, ammunition and explosives at the home she shared with Paddock in Mesquite.
The Los Angeles Times reported that Paddock was regularly nasty to Ms Danly, according to people who saw them together in Mesquite.
Eric Paddock, who is the brother to the Las Vegas shooter Stephen Paddock, relayed that the family was estranged from their father following Eric's death. "She was away so that she will not be there to interfere with what he's planning", the sister said.
Media reports said Danley was born in the Philippines, although the Philippine foreign department and Suarez said they could not confirm that.
But while officials have confirmed that Marilou Danley was in the Philippines on Sunday when Paddock opened fire on a crowd attending a country music festival on the Vegas Strip, it was not known whether the money was for her, her family, or another goal.
A nephew of Stephen Paddock's girlfriend says he's stunned by the actions of the Las Vegas gunman and didn't even know that Paddock was interested in guns. Explosives were found at the home and in his Paddock's vehicle.
Stephen Paddock, 64, lived with his girlfriend, Marilou Danley, 62.
The dead included one off-duty police officer, Lombardo said.
Jill Snyder, the special agent in charge at the Bureau of Alcohol, Tobacco and Firearms, tells "CBS This Morning" on Wednesday that Paddock purchased 33 firearms, mostly rifles, between October 2016 and September 28, three days before he opened fire on a concert crowd.
The gun attachment that mimics automatic gunfire is a little-known device called a "bump stock" that is not widely sold.