Authorities: No Motive 'Definitively' Determined In Las Vegas MassacreThey 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.
Officer Injured In Vegas Shooting Gets Surprise Gift That Could Be 'Helpful' In 'Hard, Long Road' To RecoveryOntario 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.
Surveillance Video Shows Las Vegas Gunman Days Before MassacreLas 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.
Autopsy Gives No Insight On Motive In Las Vegas Mass ShootingThe report released Friday showed gunman Stephen Paddock had anti-anxiety drugs in his system but was not under the influence of them.
Man Who Sold Ammo To Las Vegas Shooter Charged With Making Armor-Piercing BulletsUnfired 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.
'I Was Running For My Life, And Now I'm Running To Win,' Says Officer Who Survived Las Vegas MassacreLAPD 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.
Bruce Paddock, Brother Of Vegas Shooter, Arrested For Child Porn The brother of Las Vegas shooter Stephen Paddock was arrested Wednesday in the San Fernando Valley on suspicion of possession of child pornography.
10 Survivors Of Las Vegas Massacre Sue Hotel, Concert Promoters For NegligenceStephen Sambrano and his wife Amanda were right in the middle of the gunfire.
Lollapalooza, Life Is Beautiful Festival May Have Also Been Las Vegas Shooter TargetsFour days into the investigation of the massacre in Las Vegas, there are more questions than answers.
Las Vegas Investigation Refocuses On Girlfriend Of Stephen PaddockStephen 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.
Investigators Delve Into Background Of Las Vegas ShooterStephen 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?