You are wrong.
...He trained his whole life. When it came time to get in there and do something, he didnt have the courage or something happened, but he certainly did a poor job theres no question about that, Trump told reporters, referring to Marjory Stoneman Douglas High School resource officer Scot Peterson..."
And then there was this:
"...The president continued: But thats a case where somebody was outside. Theyre trained. They didnt react properly under pressure or they were a coward..."
He did not call him a coward. He suggested that is one of several possibilities. And that is undeniably, unreservedly, and without question, one possibility.