Jeremy Vargas Sagastegui (November 1, 1970 – October 13, 1998) was an American killer convicted of three counts of aggravated first-degree murder for the drowning and beating of Kievan Sarbacher, 3, and the shooting deaths of his mother, Melissa Sarbacher, 21, and a second woman, Lisa Vera-Acevedo, 27. The killings occurred on November 19, 1995, in a mobile home in rural Finley, Washington, located east of Kennewick, where Sagastegui had been babysitting Sarbacher's two children. The second child, a 1-year-old girl, was unharmed. He was executed on October 13, 1998 by lethal injection aged 27.