When a man at a Florida airport retrieves his luggage, takes out a gun and kills five people, the only part people are surprised about is that it happened at an airport.

In the grand sweep of American gunfire in the 21st century, all we can say about Friday’s Fort Lauderdale tragedy was that it’s the worst mass shooting so far in 2017. But there have already been six incidents with more than three dead or wounded victims. On Wednesday, three family members in Fontana, Calif., were killed in their home and another critically wounded. A 73-year-old relative was charged. Never even entered the national conversation.

But the Fort Lauderdale case was personal — almost everybody travels through airports. “You just can’t imagine how this could ever happen in a state like ours,” said Florida Gov. Rick Scott at a press conference. A few minutes later he did remember to refer to the fact that last year 49 people were shot to death in a gay nightclub in Orlando.

Officials were still unsorting the history of the suspect, identified as Esteban Santiago, and trying to determine whether he was inspired, even in a totally deranged way, by ISIS. Whenever these tragedies happen, the nation holds its breath until there’s an assurance that it did not involve terrorism. If we get the word, there’s a sigh of relief and we go back to living in a country where a random guy will suddenly open fire in a mall or theater or school just because he’s nuts and has a gun.