A week after returning to Washington following the Orlando massacre, with funerals still under way from the lone-gunman case with the highest death toll in American history, the Senate chose to do nothing that might prevent something like it from happening again.
The suspected gunman in the case, Yvan Colonna, was captured a week ago and will be tried separately.
The gunman in that case, Ronald Taylor, surrendered to police, but his actions left a deep reservoir of fear and grief.
Law enforcement experts note that more prosecutions for background-check failures probably would not have prevented the Connecticut school massacre, because the gunman in that case used firearms purchased legally by his mother.
Until the confirmation that Khazani was the gunman, the only case of Isis "blowback" in Europe had been Mehdi Nemmouche, a 29-year-old French national of Algerian origin who has been charged with attacking the Brussels Jewish Museum in May 2014.
The gunman in that case committed suicide after killing 49 people dead and wounding 58.
The gunman in that case had said he wanted to avenge the deaths of black men killed in confrontations with white officers.
Since the massacre in Colorado, many have called James Holmes, the suspected gunman in the case, a madman, crazed, deranged and mentally ill.
The 22-year-old gunman in that case had reportedly exhibited a number of warning signs before killing six people, and then himself, in the rampage.
The motive of the gunman in that case has remained a complete mystery, and he didn't have the same record of violent or disturbed behavior.
The gunmen in that case has also demanded the release of fellow tribesmen from prison and held the Chinese workers for less than a day before freeing them.
