His father had been convicted of bank robbery, auto theft and a confidence scam when he escaped from prison February 3, 1969, in El Paso, Texas.
She moved to the United States about 20 years ago and reportedly shared a house with Paddock in a new golf course development in the desert just outside Mesquite, Nevada, 80 miles northeast (130 kilometres) of Las Vegas.
The circumstances of this shooting remain unclear and motives of the shooter are unknown at this stage. Family members said there was no previous indication that Paddock could commit such violent actions, considered to be the worst mass shooting in the country's recent history.
Marilou Danley, 62, was initially said to be a "person of interest" but has since been cleared of any involvement in the shocking shooting that left 59 dead and more than 500 injured.
Paddock was also accused of robbing two other Valley National Bank branches for more than $20,000, but the charges were dropped after he was convicted of the first crime. "It's like an asteroid fell out of the sky", his brother Eric said to CNN. His brother Eric told reporters that Stephen was "just a guy" and had "no political affiliation, no religious affiliation, as far as we know." It is likely given the death prior to the arrival of the police in his hotel room.More news: Tesla's Model 3 sedan off to slow start
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In the last three years alone, more than 200 reports about Paddock's activities, particularly large transactions at casinos, have been filed with law enforcement authorities, ABC News was told.
Paddock had been using some of her identification, Lombardo said.
The wife of Stephen Paddock, a time desired by the forces of the order, was located "abroad", he said. On Dec. 31, 1968, Paddock, who admitted trying to sneak out of a Las Vegas jail after his arrest, broke free from a federal prison in La Luna, Texas.
ISIS did claim responsibility for the attack, but officials have found no connections between the terrorist group and Paddock.
Paddock was a retired accountant and didn't have a criminal record. Paddock was also a licensed hunter and private pilot.