One of the other four investigators is a director of the Kern Law Enforcement Association, a union that represents the same Kern County sheriff's deputies whose potential fatal shootings would be reviewed by the DA's office.
About a dozen legislatures nationwide, concerned about the potential for campus shootings, are considering arming their academies.
But even more than in the cases of Robert Quinn in Pennsylvania and Bruce Steward in Oregon, both of whom tricked police into a confrontation, the two suicide by cop rulings so far this year in South Carolina illustrate the potential for deadly shootings to disappear from public scrutiny following an official transformation into a suicide.
But he said the personalized technology had the potential of reducing accidental shootings, suicides and homicides.
Police in Nottinghamshire, where Mr Entwistle grew up, said he was being treated by US authorities as a potential witness to the shootings of Rachel, 27 and Lillian.
In his defence of suicide rulings, Gill, the Connecticut chief medical examiner, dismissed suggestions that they tied the hands of district attorneys who might look into the shootings for potential wrongdoing.
Gun homicides remain more common and of more concern to the police, because of drive-by shootings, the potential to wreak more death in less time, and the distance a gunman can keep from the actual crime scene, taking aim from afar.
The Parkland activists, who've taken numerous steps to build an inclusive movement, ground their case against assault-style weapons not in terms of a ban's potential reduction in total shootings, but instead around the question of whether any civilian needs a "weapon of war".
He described a potential link between Thursday's shootings and the gunning down of another soldier in Toulouse on Sunday as "a possibility, not a certainty".
Reliable Sources Eric Cantor's primary defeat, reliability of polling; crisis in Iraq; mass shootings; Hillary Clinton's potential presidential bid in 2016.
