1 October investigation: What we know so far

Part of Reno Ave. near South Las Vegas Blvd is blocked with police tape in the aftermath of a mass shooting Wednesday, Oct. 4, 2017, in Las Vegas. A gunman opened fire on an outdoor music concert on Sunday. It was the deadliest mass shooting in modern U.S. history, with dozens killed and hundreds injured, some by gunfire, some during the chaotic escape. (AP Photo/Marcio Jose Sanchez)

News 3's Craig Fiegener has been following the latest developments in the investigation into the 1 October shooting.

A gunman opened fire from a Mandalay Bay Hotel room, firing shots into the Route 91 Harvest Festival, killing 58 people and injuring more than 500 others.

Below are the stories News 3 has done on the investigation. Please contact with any information you may have.

Dec. 6, 2017 - Media lawsuit to unseal search warrant records connected to Stephen Paddock

Nov. 20, 2017 - Lawsuits filed against Live Nation, MGM, and Mandalay Bay over '1 October' shooting

Oct. 31, 2017 - Shooting victims retrace steps at Route 91 concert crime scene

Oct. 30, 2017 - Judge to determine whether MGM must preserve evidence in 1 October shooting

Oct. 26, 2017 - Court order about Las Vegas shooting evidence suggests shooter may have had multiple rooms

Oct. 25, 2017 - Vegas shooter possibly targeted fuel tanks as part of escape plan

Oct. 24, 2017 - Shattered Mandalay Bay windows replaced on Las Vegas shooter's hotel suite

Oct. 19, 2017 - Motion filed to preserve evidence in 1 October shooting

Oct. 18, 2017 - 1 October: New story of timetable emerges from first responders

Oct. 15, 2017 - Former classmate of Las Vegas shooter: 'He was a closed-in kid'

Oct. 13, 2017 - Sheriff gives update on timeline discrepancies from the night of 1 October shooting

Oct. 12, 2017 - Questions remain after MGM Resorts disputes shooting timeline reported by police

Oct. 11, 2017 - Radio audio details moments after Mandalay Bay security guard was shot on 32nd floor

Oct. 10, 2017 - Questions surround timeline of events during night of Las Vegas shooting

Oct. 6, 2017 -Police continue investigation into Las Vegas shooting, FBI launches tip line

Oct. 4, 2017 - As shooter's girlfriend speaks to FBI, more details released about Paddock's planning

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