1:09ABC NewsJune 29, 2020‘Golden State Killer’ pleads guiltyJoseph DeAngelo pleaded guilty to 13 counts of first-degree murder as well as multiple rapes and burglaries.Up Next in newsProsecutors to seek death penalty in 'Golden State Killer' caseApril 10, 2019Suspected 'Golden State Killer,' accused of murders across California, to face trial August 21, 2018New details emerge in investigation into accused Golden State KillerJune 2, 2018