Authorities: No Motive 'Definitively' Determined In Las Vegas Massacre
They also said that after hundreds of interviews and thousands of hours of investigative work, they are confident there is no evidence of a conspiracy or a second gunman.
Watch CBS News
They also said that after hundreds of interviews and thousands of hours of investigative work, they are confident there is no evidence of a conspiracy or a second gunman.
Ontario police officer Michael Gracia was caught off guard at his grandmother's house Thursday when he found his fellow cops inside. He was even more surprised about what came next.
Las Vegas gunman Stephen Paddock's movements within the Mandalay Bay Resort and Casino were captured in security video in the days leading up to the massacre.
The report released Friday showed gunman Stephen Paddock had anti-anxiety drugs in his system but was not under the influence of them.
Unfired armor-piercing bullets found inside the Las Vegas hotel room where the attack was launched on Oct. 1 contained the fingerprints of ammunition dealer Douglas Haig of Arizona.
LAPD officer and runner Debbie Thomas ran a mile to safety during October's mass shooting in Las Vegas. Now, she's racing to a location just miles from where it all happened.
The brother of Las Vegas shooter Stephen Paddock was arrested Wednesday in the San Fernando Valley on suspicion of possession of child pornography.
Stephen Sambrano and his wife Amanda were right in the middle of the gunfire.
Four days into the investigation of the massacre in Las Vegas, there are more questions than answers.
Stephen Paddock's girlfriend Marilou Danley, 62, who was in the Philippines at the time of the shooting, was met by FBI agents at the airport in Los Angeles late Tuesday night.
Stephen Paddock does not fit the profile -- authorities say he is older than the typical mass shooter and independently wealthy. But could his family history be a factor in the massacre in Las Vegas?
