April 7, 2009 3:58 am Watch: Final Moments Before Mom Guns Down Son Watch the final moments before a mother shoots her 20-year-old son and then turns the gun on herself at a crowded Florida shooting range. US & World Videos 1:17 Student loan forgiveness: Deadline to consolidate loans is April 30 0:59 Runaway zebras corralled in Washington state; one still missing 1:40 Charlie Puth reacts to Taylor Swift's ‘The Tortured Poets Department' name-drop 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South 0:48 World Central Kitchen to resume operations in Gaza