Stephen Paddock, the man who carried out the mass shooting in Las Vegas on Sunday, had cameras installed inside and outside his hotel room on the 32nd floor of the Mandalay Bay Hotel, according to law enforcement.

"I anticipate he was looking for anybody coming to take him into custody," Clark County Sheriff Joseph Lombardo said Tuesday.

Paddock used at least one camera outside the room to potentially track activity of law enforcement. Lombardo said a camera was installed on a service cart in the hallway.

Additionally, Lombardo said the FBI has obtained all digital and electronic evidence.

Paddock's motive is still undetermined.

"I can't get into the mind of a psychopath," Lombardo said Monday.

Paddock opened fire from the 32nd floor of the Mandalay Bay Hotel Sunday night upon concertgoers at the Route 91 Harvest country music festival. The shooting left 59 dead and more than 500 wounded.

Paddock was found dead in his hotel room by law enforcement after the shooting.