The Brief Two men, Jose Antonio Echeverria and Dallas Stone Pineda, have been found guilty of the 2015 murders of two teenage girls in Montecito Heights. Echeverria and Pineda lured the victims to a park, where they were shot and beaten to death with a large rock. Both men, who face life in prison without parole, are scheduled to be sentenced on December 11. Two men have been found guilty of the murders of two teenage girls in Montecito Heights ten years ago, the Los Angeles County District Attorney's Office announced on Tuesday, Sept. 30. Officials said the two men then shot and beat the teenage girls to death with a large rock.