Overnight in the death toll in the San Jose shooting climbed to nine victims, who were killed after a gunman opened fire on coworkers at a rail yard in Northern California. Now details are emerging about the victims, the suspected shooter, and what his ex-girlfriend believes may have triggered his rampage. NBC national correspondent Miguel Almaguer reports for TODAY from the scene.» Subscribe to TODAY: http://on.today.com/SubscribeToTODAY » Watch the latest from TODAY: http://bit.ly/LatestTODAY About: TODAY brings you the latest headlines and expert tips on money, health and parenting. We wake up every morning to give you and your family all you need to start your day. If it matters to you, it matters to us. We are in the people business. Subscribe to our channel for exclusive TODAY archival footage & our original web series. Connect with TODAY Online! Visit TODAY's Website: http://on.today.com/ReadTODAY Find TODAY on Facebook: http://on.today.com/LikeTODAY Follow TODAY on Twitter: http://on.today.com/FollowTODAY Follow TODAY on Instagram: http://on.today.com/InstaTODAY San Jose Rail Yard Shooting Death Toll Climbs to 9