Gun used in deadly Oregon school shooting was gift from shooter's mom, sources say

New details in Oregon school shooting The 16-year-old shooter who killed three children and a teacher at Silver Rail Elementary School in Bend, Oregon, used a gun that was a birthday gift from his mother, sources say. CBS News senior crime reporter Anna Schecter has more. 26m ago (03:08) Videos U.K. expands military support in Saudi Arabia New details in Oregon school shooting H.R. McMaster on Ukraine talks Latest on Minnesota, Florida midterms Christina Applegate reveals MS misdiagnoses OpenAI worker accused of planting bug Election forecaster on Senate battle Health leaders on women's health initiative "Frasier" star Jane Leeves on new memoir Ukrainian official on Trump, Russia Health hacks you can actually use on a budget Where to get the latest CBS Mornings Deals The human cost of rising ticket prices Teen girls vape more than boys, study shows Tips on booking holiday travel Text messages in Birchmore murder trial French authorities impose curfews What to know about Jalen Hurts' diagnosis Breaking down Trump's economic woes Trump struggles on cost of living CBS News 24/7 CBS News 24/7 CBS News Baltimore Latest Baltimore News & Headlines CBS News Bay Area Latest NorCal News & Headlines CBS News Boston Latest Boston News & Headlines CBS News Chicago Latest Chicago News & Headlines CBS News Colorado Latest Colorado News & Headlines CBS News Detroit Latest Detroit News & Headlines CBS News Los Angeles CBS News Los Angeles 10@10 CBS News Miami Latest Miami News & Headlines CBS News Minnesota WCCO News CBS News New York Latest New York News & Headlines CBS News Philadelphia Latest Philadelphia News & Headlines CBS News Pittsburgh Pittsburgh Today Live CBS News Sacramento Good Day Sacramento CBS News Texas CBS News Texas 11am