(Everett, WA)  --  Allen Ivanov, who was charged with killing three former classmates and wounding another at a house party in Mukilteo, Washington, is awaiting sentencing after pleading guilty to all counts.  Ivanov, who's 20-years-old, admitted to killing 19-year-olds Anna Bui, Jacob Long, and Jordan Ebner, and to attempting to kill 18-year-old Will Kramer at the July 30th party.  Snohomish County prosecutors were scheduled today to announce whether they would seek the death penalty against Ivanov.  Ivanov now faces life in prison without parole when he's sentenced on January 12th.