The girlfriend of the 64-year old gunman, Stephen Paddock who opened fire on concert goers from his 32nd floor hotel room in Las Vegas, Sunday has been identified.

62-year old Marilou Danley was arrested and taken in for questioning, having been identified as a person of interest in the shhoting, but was later released after police proclaimed her innocent.

Reports say Paddock used Danley's slot card to gamble in the Las Vegas hotel, where he stayed for three days prior to Sunday's shooting.

Danley is believed to be an Australian citizen and previously lived in Queensland, Australia, for more than a decade with her former husband, an Australian man, who has since passed away. 

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Other reports say she is originally from the Philippines, and moved to the United States 20 years ago.

The couple are believed to have been living together in a three-year-old, two-bedroom home on Babbling Brook Court in the tiny desert community of Mesquite, which is not far off from Las Vegas.

Danley's already deleted Facebook page identified her as a 'proud mom and grandma who lives life to the fullest' while on LinkedIn she described herself page as a 'gambling and casino professional' living in Reno, Nevada. 

59 people were killed and over 500 were wounded in what has been described as the deadliest mass shooting in United States history.

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