Lone wolf or wolf pack

Information has surfaced that the Las Vegas shooter may have had some one in the room prior to the mass murder. Info wars has a pic of a reciept for a meal for two in the room on the day prior to when he supposedly checked in. That tells us two things, some of the information released is bad, and other people knew.
He supposedly rented the main suite on the 23rd, and the adjacent one on the 28th. That would explain the miscue on his check in. Now couple that with the window being broken in the second suite, and things have an all new look.
The latest information indicates he began shooting at 10:05 and fired the last shots at 10:15. Police arrived on the floor two minutes later and the security guard was shot one minute after that supposedly by Paddock.
Given that Paddock was older, 64, is it possible that a younger more athletic assistant had already fled the room? Might it be that person then entered another room on the floor? Police locked down the floor and evacuated every one else. That is part of the reason there was an hour long delay between their arrival and the entry. Had Paddock been shooting still, they likely would have breached immediately, but concern for the safety of other guests was a prime consideration.
How did police access the floor? The elevators were shut down, but they would have had control and been able to use them. What about the stair well? was it guarded? If a second perp was present, did they go there?
If Paddock acted alone, and was planning to escape, he bungled it by only  minute. if he had ceased firing two minutes sooner, he would have been at least down the hall by the time security arrived. Now add in that he had explosives in his vehicle. Was his plan to exit to it, detonate it with a time delay to create a smoke screen for his escape? depending on where it was parked and the amount of Ammonium nitrate, it could have caused considerable damage or even brought down the structure.
Let us hope the crime scene contains enough clues to point out the truth. Ever bullet in there was loaded and touched. If he used stripper clips, it would be every tenth bullet, but still there might be a thumb print partial, a dirty glass, some evidence of who was there if any one besides Paddock.
At this moment both scenarios are possible but the pack is more plausible.
Identifying that person will take time if there was one. Assuming there was, that person is now in a mental hell. every time they hear a siren, every time they see a cop, every thing that goes bump in the night could spell the end.
Let us hope they come forward and confess. If they swallow a bullet, we don't get answers.