Vegas shooter acted alone, no charges for girlfriend

However, the document did not reveal any motives behind the massacre.

Federal court documents made public Friday showed that as of October 6, the FBI considered Paddock's girlfriend, Marilou Danley, "the most likely person who aided or abetted Stephen Paddock".

Mourners attend a vigil to mark one week since the mass shooting at the Route 91 Harvest country music festival, on the corner of Sahara Avenue and Las Vegas Boulevard at the north end of the Las Vegas Strip, in Las Vegas, Oct. 8, 2017.

According to the report released Friday, Paddock's primary care doctor had not seen him since an annual checkup in October 2016.

The couple found themselves in the midst of one of the deadliest mass shooting events in the history of the United States in October previous year when they made a weekend trip to the Route 91 Harvest Music Festival in Las Vegas. Specialists additionally found that Paddock had tyke erotica, Lombardo said. The data on them offered some evidence. Yet NBC News reports that despite those thousands of leads and a review of over 21,560 hours of video footage, what prompted Paddock to act remains a mystery.

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"We hope that the work continues to be done on this case and paints a more complete, psychological picture of why Paddock did such evil", Clark County Sheriff Joe Lombardo said. Lombardo also said there is one person who is of "federal interest" and that charges could be filed in relation to that person, but did not elaborate on further details. Charges could be brought within 60 days. At that time, Paddock was mostly looking into venues in Boston. During the recent time period, investigators said they found that Paddock also bought more than 100 "firearm related items", such as bump stocks, scopes, and ammunition. His brother was arrested and charged with possession of child pornography after the mass shooting. He had paid off all his gambling debts before the shooting.

Paddock consistently complained to family and friends that he felt ill, in pain or was tired, according to the report. Paddock refused anti-depressants but accepted prescriptions ordered for anxiety.

It said: "Danley stated Paddock's demeanour changed over the course of the previous year". "Paddock had become "distant" and their relationship was no longer intimate". Moreover, the 64-year-old purchased 55 firearms between October 2016 and September 2017.

Almost four months after the massacre, the inquiry into the largest mass shooting in modern American history is still mired in questions; chief among them: Why did Paddock do it? Paddock had specifically requested rooms that overlooked the Las Vegas Village.

She remembered him constantly looking out the windows overlooking an area where the concert would be held the next month.

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Despite an earlier report from a Las Vegas-based NBC affiliate, there is no indication in the investigative report released Friday that Danley was at the Mandalay Bay Resort & Casino in the week leading up to the shooting.

In May, he pulled up Google Maps for Venice Beach, Venice Ale House, the Fairmont Miramar Hotel and the Bungalow in Santa Monica, and La Jolla Beach. Google Search queries from May included "summer concerts 2017", "grant park functions", "La Jolla beach", "open air concert venues", "biggest open air concert venues in US", and "How crowded does Santa Monica beach get".

When asked if this might have been a possible motive for the shooting, Lombardo replied, "It could be".

"I've been made aware of what I believe to be credible evidence, credible information, regarding terrorist infiltration through the southern border regarding this incident", Representative Scott Perry said on Fox News.

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