A handwritten note found in the hotel room of Stephen Paddock who rained bullets on concertgoers last week contained calculations of the distance and trajectory from his 32nd-floor window to the crowd

CNN quoted a law enforcement source with knowledge of the investigation as saying that numbers on the notes found in the room now makes meaning to them.

Those numbers were characterized as being significant to the gunman.

Paddock's note, found in Mandalay Bay Resort and Casino, was among 23 firearms found near the gunman's dead body.

The gunman who was an accountant took his own life, authorities have said, after killing 58 people and wounding nearly 500.

Investigators have been combing through evidence left behind, as well as Paddock's background for any hint as to what led the retired accountant to amass an arsenal of high-powered assault rifles, meticulously map out an attack and open fire on the crowd at last weekend's Route 91 Harvest Festival.

Also Read:10 Things You Should Know About Las Vegas Gunman, Stephen Paddock

Authorities have no credible information about Paddock's motive despite more than 1,000 leads and tips, Undersheriff Kevin C. McMahill said at a news conference Friday.

More Revelations

Investigations revealed that a Mandalay Bay security guard, who authorities believe drew Paddock's attention toward the hallway outside his hotel suite, went to that floor to respond to an alarm due to an open door near Paddock's room.

The guard, Jesus Campos, was shot in the leg while checking on the alarm.

According to a police-reported timeline, Paddock never fired on the crowd below again after that.

A few other revelations in the investigation of the incident are that there was not another shooter in Paddock's room but are still trying to determine whether anyone else knew of his plans.

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Investigators looking into Sunday's massacre have found no known nexus to terrorism or connections to ISIS which claimed the attack.

Authorities do not believe another person used Paddock's room key at the Mandalay Bay hotel.

Police don't know what the killer was going to do with 50 pounds of explosives found in his car.

The CNN also quoted the undersheriff as saying that Paddock brought the 23 guns and ammunition he had in his hotel suite over the course of several days.

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