Los Angeles ( CNN ) -- A third person was charged with murder Tuesday in the California death of a deployed Marine 's wife , the San Diego County prosecutor 's office said . Dorothy Grace Marie Maraglino , 36 , pleaded not guilty in court Tuesday , said Steve Walker , a spokesman for the district attorney 's office . Brittany Killgore , 22 , the wife of Lance Cpl . Cory Killgore , was last seen alive April 13 , and authorities found her body on April 17 in a rural part of Riverside County . A San Diego County judge set Maraglino 's bail at $ 3 million on Tuesday and scheduled a May 22 hearing on readiness and a preliminary hearing for May 30 , Walker said . If convicted , Maraglino faces 25 years to life in prison , Walker said . Also charged with murder in Killgore 's death is Marine Staff Sgt . Luis Ray Perez , 45 , with whom Killgore was last seen alive , when she left her apartment wearing an evening dress on a date with Perez , who is based at Camp Pendleton in San Diego County , police said . The remaining defendant is Jessica Lynn Lopez , 25 , also charged with murder . She was found at a Ramada motel near the San Diego airport last month after paramedics responded to a call for medical help . Lopez was briefly hospitalized with lacerations , and her relationship to Killgore has n't been made clear by authorities . Perez and Lopez have also pleaded not guilty . Brittany Killgore had recently filed for divorce from her husband , who was serving with an artillery unit in Afghanistan 's Helmand Province , investigators said . Cory Killgore was granted an emergency leave to return to the United States when he learned about his wife last month . `` My wife , Brittany , was beautiful beyond words and her murder has left me devastated . My duty to her memory is now to ensure her good reputation remains intact , and help law enforcement and prosecutors secure justice for the person or persons who took her away from me , '' Cory Killgore said in April .
Dorothy Grace Marie Maraglino , 36 , pleads not guilty to murder . A California judge sets her bail at $ 3 million . Brittany Killgore , 22 , the wife of Lance Cpl . Cory Killgore , was killed last month . Another Marine and another woman have pleaded not guilty in Killgore 's death .