23-year-old man charged with murder, attempted murder in El Sobrante shooting FacebookTwitterEmail The Contra Costa County district attorney has filed murder and attempted murder charges against a 23-year-old man in an El Sobrante shooting last week that killed one person and sent another to the hospital with critical injuries, county sheriff’s officials said Wednesday. Pierre Jackson, who authorities say is from the Antioch and Brentwood areas, was arrested by homicide detectives on a warrant Monday in the shooting that killed Dejante Kennedy, 25, of Pittsburg, and critically injured another person, sheriff’s officials said. Jackson is being held on $3.5 million bail at the Martinez Detention Facility.