A 17-year-old boy who was killed in a house party stabbing in Chula Vista was identified to CBS 8 by his mother. Mateo Alexander, 17, was at a house party in the 900 block of Rigley Street in the Sunbow neighborhood of Chula Vista on November 12 when he was involved in an altercation at a house party, according to Chula Vista police. A neighbor told CBS 8 she heard screaming, looked out her window, and saw five to ten men jump over a backyard fence where the party was happening. MORE: https://www.cbs8.com/article/news/local/17-year-old-boy-stabbed-at-chula-vista-house-party-identified/509-8de86be3-5aa1-46d1-8529-b35fd518c9a7